Home / 27,742.24-38,286.92-15,168.88

Finding the Fourth Proportional to 27,742.24, 38,286.92 and 15,168.88

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Solution

The fourth proportional to 27,742.24, 38,286.92 and 15,168.88 is: 20,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.24 : 38,286.92 = 15,168.88 : x
  2. Step 2: Convert to fraction form
    27,742.24/38,286.92 = 15,168.88/x
  3. Step 3: Cross multiply
    27,742.24x = 38,286.92 × 15,168.88
  4. Step 4: Simplify right side
    27,742.24x = 580,769,695.05
  5. Step 5: Solve for x
    x = 580,769,695.05/27,742.24
  6. Step 6: Final answer
    x = 20,934.49

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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.