Home / 27,618.98-38,145.23-18,650.92

Finding the Fourth Proportional to 27,618.98, 38,145.23 and 18,650.92

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Solution

The fourth proportional to 27,618.98, 38,145.23 and 18,650.92 is: 25,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.98 : 38,145.23 = 18,650.92 : x
  2. Step 2: Convert to fraction form
    27,618.98/38,145.23 = 18,650.92/x
  3. Step 3: Cross multiply
    27,618.98x = 38,145.23 × 18,650.92
  4. Step 4: Simplify right side
    27,618.98x = 711,443,633.11
  5. Step 5: Solve for x
    x = 711,443,633.11/27,618.98
  6. Step 6: Final answer
    x = 25,759.23

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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.