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Finding the Fourth Proportional to 24,442.48, 36,668.05 and 8,656.68

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Solution

The fourth proportional to 24,442.48, 36,668.05 and 8,656.68 is: 12,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,442.48 : 36,668.05 = 8,656.68 : x
  2. Step 2: Convert to fraction form
    24,442.48/36,668.05 = 8,656.68/x
  3. Step 3: Cross multiply
    24,442.48x = 36,668.05 × 8,656.68
  4. Step 4: Simplify right side
    24,442.48x = 317,423,373.14
  5. Step 5: Solve for x
    x = 317,423,373.14/24,442.48
  6. Step 6: Final answer
    x = 12,986.55

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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.