Home / 84,743.28-127,115.82-25,579.44

Finding the Fourth Proportional to 84,743.28, 127,115.82 and 25,579.44

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Solution

The fourth proportional to 84,743.28, 127,115.82 and 25,579.44 is: 38,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,743.28 : 127,115.82 = 25,579.44 : x
  2. Step 2: Convert to fraction form
    84,743.28/127,115.82 = 25,579.44/x
  3. Step 3: Cross multiply
    84,743.28x = 127,115.82 × 25,579.44
  4. Step 4: Simplify right side
    84,743.28x = 3,251,551,490.74
  5. Step 5: Solve for x
    x = 3,251,551,490.74/84,743.28
  6. Step 6: Final answer
    x = 38,369.43

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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.