Home / 52,126.38-71,934.12-28,252.80

Finding the Fourth Proportional to 52,126.38, 71,934.12 and 28,252.80

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Solution

The fourth proportional to 52,126.38, 71,934.12 and 28,252.80 is: 38,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,126.38 : 71,934.12 = 28,252.80 : x
  2. Step 2: Convert to fraction form
    52,126.38/71,934.12 = 28,252.80/x
  3. Step 3: Cross multiply
    52,126.38x = 71,934.12 × 28,252.80
  4. Step 4: Simplify right side
    52,126.38x = 2,032,340,305.54
  5. Step 5: Solve for x
    x = 2,032,340,305.54/52,126.38
  6. Step 6: Final answer
    x = 38,988.71

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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.