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Finding the Fourth Proportional to 22,694.42, 34,016.42 and 17,129.72

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Solution

The fourth proportional to 22,694.42, 34,016.42 and 17,129.72 is: 25,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.42 : 34,016.42 = 17,129.72 : x
  2. Step 2: Convert to fraction form
    22,694.42/34,016.42 = 17,129.72/x
  3. Step 3: Cross multiply
    22,694.42x = 34,016.42 × 17,129.72
  4. Step 4: Simplify right side
    22,694.42x = 582,691,877.87
  5. Step 5: Solve for x
    x = 582,691,877.87/22,694.42
  6. Step 6: Final answer
    x = 25,675.55

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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.