Home / 29,514-40,729.68-16,939.92

Finding the Fourth Proportional to 29,514, 40,729.68 and 16,939.92

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Solution

The fourth proportional to 29,514, 40,729.68 and 16,939.92 is: 23,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,514 : 40,729.68 = 16,939.92 : x
  2. Step 2: Convert to fraction form
    29,514/40,729.68 = 16,939.92/x
  3. Step 3: Cross multiply
    29,514x = 40,729.68 × 16,939.92
  4. Step 4: Simplify right side
    29,514x = 689,957,520.83
  5. Step 5: Solve for x
    x = 689,957,520.83/29,514
  6. Step 6: Final answer
    x = 23,377.30

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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.