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Finding the Fourth Proportional to 42,393.44, 63,582.24 and 16,089.44

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Solution

The fourth proportional to 42,393.44, 63,582.24 and 16,089.44 is: 24,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,393.44 : 63,582.24 = 16,089.44 : x
  2. Step 2: Convert to fraction form
    42,393.44/63,582.24 = 16,089.44/x
  3. Step 3: Cross multiply
    42,393.44x = 63,582.24 × 16,089.44
  4. Step 4: Simplify right side
    42,393.44x = 1,023,002,635.55
  5. Step 5: Solve for x
    x = 1,023,002,635.55/42,393.44
  6. Step 6: Final answer
    x = 24,131.15

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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.