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Finding the Fourth Proportional to 24,117.90, 33,282.54 and 13,506.90

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Solution

The fourth proportional to 24,117.90, 33,282.54 and 13,506.90 is: 18,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,117.90 : 33,282.54 = 13,506.90 : x
  2. Step 2: Convert to fraction form
    24,117.90/33,282.54 = 13,506.90/x
  3. Step 3: Cross multiply
    24,117.90x = 33,282.54 × 13,506.90
  4. Step 4: Simplify right side
    24,117.90x = 449,543,939.53
  5. Step 5: Solve for x
    x = 449,543,939.53/24,117.90
  6. Step 6: Final answer
    x = 18,639.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.