Home / 25,432.65-38,159.91-12,294.90

Finding the Fourth Proportional to 25,432.65, 38,159.91 and 12,294.90

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Solution

The fourth proportional to 25,432.65, 38,159.91 and 12,294.90 is: 18,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.65 : 38,159.91 = 12,294.90 : x
  2. Step 2: Convert to fraction form
    25,432.65/38,159.91 = 12,294.90/x
  3. Step 3: Cross multiply
    25,432.65x = 38,159.91 × 12,294.90
  4. Step 4: Simplify right side
    25,432.65x = 469,172,277.46
  5. Step 5: Solve for x
    x = 469,172,277.46/25,432.65
  6. Step 6: Final answer
    x = 18,447.64

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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.