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Finding the Fourth Proportional to 22,960.65, 34,441.17 and 6,321.61

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Solution

The fourth proportional to 22,960.65, 34,441.17 and 6,321.61 is: 9,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,960.65 : 34,441.17 = 6,321.61 : x
  2. Step 2: Convert to fraction form
    22,960.65/34,441.17 = 6,321.61/x
  3. Step 3: Cross multiply
    22,960.65x = 34,441.17 × 6,321.61
  4. Step 4: Simplify right side
    22,960.65x = 217,723,644.68
  5. Step 5: Solve for x
    x = 217,723,644.68/22,960.65
  6. Step 6: Final answer
    x = 9,482.47

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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.