Home / 28,229.66-38,950.17-17,615.42

Finding the Fourth Proportional to 28,229.66, 38,950.17 and 17,615.42

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Solution

The fourth proportional to 28,229.66, 38,950.17 and 17,615.42 is: 24,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.66 : 38,950.17 = 17,615.42 : x
  2. Step 2: Convert to fraction form
    28,229.66/38,950.17 = 17,615.42/x
  3. Step 3: Cross multiply
    28,229.66x = 38,950.17 × 17,615.42
  4. Step 4: Simplify right side
    28,229.66x = 686,123,603.62
  5. Step 5: Solve for x
    x = 686,123,603.62/28,229.66
  6. Step 6: Final answer
    x = 24,305.06

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Half scale
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Double scale
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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.