Home / 28,332.56-39,097.88-15,757.04

Finding the Fourth Proportional to 28,332.56, 39,097.88 and 15,757.04

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Solution

The fourth proportional to 28,332.56, 39,097.88 and 15,757.04 is: 21,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.56 : 39,097.88 = 15,757.04 : x
  2. Step 2: Convert to fraction form
    28,332.56/39,097.88 = 15,757.04/x
  3. Step 3: Cross multiply
    28,332.56x = 39,097.88 × 15,757.04
  4. Step 4: Simplify right side
    28,332.56x = 616,066,859.08
  5. Step 5: Solve for x
    x = 616,066,859.08/28,332.56
  6. Step 6: Final answer
    x = 21,744.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.