Home / 27,965.30-38,592.52-15,218.88

Finding the Fourth Proportional to 27,965.30, 38,592.52 and 15,218.88

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Solution

The fourth proportional to 27,965.30, 38,592.52 and 15,218.88 is: 21,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.30 : 38,592.52 = 15,218.88 : x
  2. Step 2: Convert to fraction form
    27,965.30/38,592.52 = 15,218.88/x
  3. Step 3: Cross multiply
    27,965.30x = 38,592.52 × 15,218.88
  4. Step 4: Simplify right side
    27,965.30x = 587,334,930.78
  5. Step 5: Solve for x
    x = 587,334,930.78/27,965.30
  6. Step 6: Final answer
    x = 21,002.28

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.