Home / 84,747.28-127,121.82-25,583.44

Finding the Fourth Proportional to 84,747.28, 127,121.82 and 25,583.44

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Solution

The fourth proportional to 84,747.28, 127,121.82 and 25,583.44 is: 38,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.28 : 127,121.82 = 25,583.44 : x
  2. Step 2: Convert to fraction form
    84,747.28/127,121.82 = 25,583.44/x
  3. Step 3: Cross multiply
    84,747.28x = 127,121.82 × 25,583.44
  4. Step 4: Simplify right side
    84,747.28x = 3,252,213,454.66
  5. Step 5: Solve for x
    x = 3,252,213,454.66/84,747.28
  6. Step 6: Final answer
    x = 38,375.43

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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.