Home / 87,926.73-131,888.43-21,366.30

Finding the Fourth Proportional to 87,926.73, 131,888.43 and 21,366.30

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Solution

The fourth proportional to 87,926.73, 131,888.43 and 21,366.30 is: 32,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.73 : 131,888.43 = 21,366.30 : x
  2. Step 2: Convert to fraction form
    87,926.73/131,888.43 = 21,366.30/x
  3. Step 3: Cross multiply
    87,926.73x = 131,888.43 × 21,366.30
  4. Step 4: Simplify right side
    87,926.73x = 2,817,967,761.91
  5. Step 5: Solve for x
    x = 2,817,967,761.91/87,926.73
  6. Step 6: Final answer
    x = 32,049.05

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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.