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Finding the Fourth Proportional to 62,768, 94,151.92 and 16,020.87

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Solution

The fourth proportional to 62,768, 94,151.92 and 16,020.87 is: 24,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768 : 94,151.92 = 16,020.87 : x
  2. Step 2: Convert to fraction form
    62,768/94,151.92 = 16,020.87/x
  3. Step 3: Cross multiply
    62,768x = 94,151.92 × 16,020.87
  4. Step 4: Simplify right side
    62,768x = 1,508,395,670.57
  5. Step 5: Solve for x
    x = 1,508,395,670.57/62,768
  6. Step 6: Final answer
    x = 24,031.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.