Home / 47,428.88-71,151.96-16,257.20

Finding the Fourth Proportional to 47,428.88, 71,151.96 and 16,257.20

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Solution

The fourth proportional to 47,428.88, 71,151.96 and 16,257.20 is: 24,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.88 : 71,151.96 = 16,257.20 : x
  2. Step 2: Convert to fraction form
    47,428.88/71,151.96 = 16,257.20/x
  3. Step 3: Cross multiply
    47,428.88x = 71,151.96 × 16,257.20
  4. Step 4: Simplify right side
    47,428.88x = 1,156,731,644.11
  5. Step 5: Solve for x
    x = 1,156,731,644.11/47,428.88
  6. Step 6: Final answer
    x = 24,388.76

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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.