Home / 27,731.30-41,635.68-14,231.92

Finding the Fourth Proportional to 27,731.30, 41,635.68 and 14,231.92

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Solution

The fourth proportional to 27,731.30, 41,635.68 and 14,231.92 is: 21,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.30 : 41,635.68 = 14,231.92 : x
  2. Step 2: Convert to fraction form
    27,731.30/41,635.68 = 14,231.92/x
  3. Step 3: Cross multiply
    27,731.30x = 41,635.68 × 14,231.92
  4. Step 4: Simplify right side
    27,731.30x = 592,555,451.89
  5. Step 5: Solve for x
    x = 592,555,451.89/27,731.30
  6. Step 6: Final answer
    x = 21,367.75

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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.