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Finding the Fourth Proportional to 24,433.65, 36,651.16 and 8,636.45

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Solution

The fourth proportional to 24,433.65, 36,651.16 and 8,636.45 is: 12,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,433.65 : 36,651.16 = 8,636.45 : x
  2. Step 2: Convert to fraction form
    24,433.65/36,651.16 = 8,636.45/x
  3. Step 3: Cross multiply
    24,433.65x = 36,651.16 × 8,636.45
  4. Step 4: Simplify right side
    24,433.65x = 316,535,817.11
  5. Step 5: Solve for x
    x = 316,535,817.11/24,433.65
  6. Step 6: Final answer
    x = 12,954.91

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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.