Home / 87,557.84-131,339.68-28,394

Finding the Fourth Proportional to 87,557.84, 131,339.68 and 28,394

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Solution

The fourth proportional to 87,557.84, 131,339.68 and 28,394 is: 42,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,557.84 : 131,339.68 = 28,394 : x
  2. Step 2: Convert to fraction form
    87,557.84/131,339.68 = 28,394/x
  3. Step 3: Cross multiply
    87,557.84x = 131,339.68 × 28,394
  4. Step 4: Simplify right side
    87,557.84x = 3,729,258,873.92
  5. Step 5: Solve for x
    x = 3,729,258,873.92/87,557.84
  6. Step 6: Final answer
    x = 42,591.95

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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.