Home / 23,781.54-35,672.31-13,387.62

Finding the Fourth Proportional to 23,781.54, 35,672.31 and 13,387.62

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Solution

The fourth proportional to 23,781.54, 35,672.31 and 13,387.62 is: 20,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.54 : 35,672.31 = 13,387.62 : x
  2. Step 2: Convert to fraction form
    23,781.54/35,672.31 = 13,387.62/x
  3. Step 3: Cross multiply
    23,781.54x = 35,672.31 × 13,387.62
  4. Step 4: Simplify right side
    23,781.54x = 477,567,330.80
  5. Step 5: Solve for x
    x = 477,567,330.80/23,781.54
  6. Step 6: Final answer
    x = 20,081.43

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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.