Home / 28,937.28-39,937.20-16,364.52

Finding the Fourth Proportional to 28,937.28, 39,937.20 and 16,364.52

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Solution

The fourth proportional to 28,937.28, 39,937.20 and 16,364.52 is: 22,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.28 : 39,937.20 = 16,364.52 : x
  2. Step 2: Convert to fraction form
    28,937.28/39,937.20 = 16,364.52/x
  3. Step 3: Cross multiply
    28,937.28x = 39,937.20 × 16,364.52
  4. Step 4: Simplify right side
    28,937.28x = 653,553,108.14
  5. Step 5: Solve for x
    x = 653,553,108.14/28,937.28
  6. Step 6: Final answer
    x = 22,585.16

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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.