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Finding the Fourth Proportional to 24,336.90, 33,584.92 and 13,158.90

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Solution

The fourth proportional to 24,336.90, 33,584.92 and 13,158.90 is: 18,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,336.90 : 33,584.92 = 13,158.90 : x
  2. Step 2: Convert to fraction form
    24,336.90/33,584.92 = 13,158.90/x
  3. Step 3: Cross multiply
    24,336.90x = 33,584.92 × 13,158.90
  4. Step 4: Simplify right side
    24,336.90x = 441,940,603.79
  5. Step 5: Solve for x
    x = 441,940,603.79/24,336.90
  6. Step 6: Final answer
    x = 18,159.28

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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.