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Finding the Fourth Proportional to 24,187.53, 36,278.56 and 8,389.65

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Solution

The fourth proportional to 24,187.53, 36,278.56 and 8,389.65 is: 12,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.53 : 36,278.56 = 8,389.65 : x
  2. Step 2: Convert to fraction form
    24,187.53/36,278.56 = 8,389.65/x
  3. Step 3: Cross multiply
    24,187.53x = 36,278.56 × 8,389.65
  4. Step 4: Simplify right side
    24,187.53x = 304,364,420.90
  5. Step 5: Solve for x
    x = 304,364,420.90/24,187.53
  6. Step 6: Final answer
    x = 12,583.53

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1.5x scale

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.