Question: 25 divided by what equals 4?
Answer: Therefore, the answer to what divided by 25 equals 4 is 100. You can prove this by taking 100 and dividing it by 25, and you will see that the answer is 4. Tip: For future reference, when you are presented with a problem like "What divided by 25 equals 4?", all you have to do is multiply the two known numbers together.