Home / 84,616.38-126,927-25,445.88

Finding the Fourth Proportional to 84,616.38, 126,927 and 25,445.88

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Solution

The fourth proportional to 84,616.38, 126,927 and 25,445.88 is: 38,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,616.38 : 126,927 = 25,445.88 : x
  2. Step 2: Convert to fraction form
    84,616.38/126,927 = 25,445.88/x
  3. Step 3: Cross multiply
    84,616.38x = 126,927 × 25,445.88
  4. Step 4: Simplify right side
    84,616.38x = 3,229,769,210.76
  5. Step 5: Solve for x
    x = 3,229,769,210.76/84,616.38
  6. Step 6: Final answer
    x = 38,169.55

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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.