Home / 27,616.64-38,098.84-18,660.88

Finding the Fourth Proportional to 27,616.64, 38,098.84 and 18,660.88

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Solution

The fourth proportional to 27,616.64, 38,098.84 and 18,660.88 is: 25,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.64 : 38,098.84 = 18,660.88 : x
  2. Step 2: Convert to fraction form
    27,616.64/38,098.84 = 18,660.88/x
  3. Step 3: Cross multiply
    27,616.64x = 38,098.84 × 18,660.88
  4. Step 4: Simplify right side
    27,616.64x = 710,957,597.58
  5. Step 5: Solve for x
    x = 710,957,597.58/27,616.64
  6. Step 6: Final answer
    x = 25,743.81

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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.