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Finding the Fourth Proportional to 23,874.59, 35,786.91 and 13,329.15

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Solution

The fourth proportional to 23,874.59, 35,786.91 and 13,329.15 is: 19,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,874.59 : 35,786.91 = 13,329.15 : x
  2. Step 2: Convert to fraction form
    23,874.59/35,786.91 = 13,329.15/x
  3. Step 3: Cross multiply
    23,874.59x = 35,786.91 × 13,329.15
  4. Step 4: Simplify right side
    23,874.59x = 477,009,007.21
  5. Step 5: Solve for x
    x = 477,009,007.21/23,874.59
  6. Step 6: Final answer
    x = 19,979.78

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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.