Home / 27,743.88-38,286.36-15,168.66

Finding the Fourth Proportional to 27,743.88, 38,286.36 and 15,168.66

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Solution

The fourth proportional to 27,743.88, 38,286.36 and 15,168.66 is: 20,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.88 : 38,286.36 = 15,168.66 : x
  2. Step 2: Convert to fraction form
    27,743.88/38,286.36 = 15,168.66/x
  3. Step 3: Cross multiply
    27,743.88x = 38,286.36 × 15,168.66
  4. Step 4: Simplify right side
    27,743.88x = 580,752,777.48
  5. Step 5: Solve for x
    x = 580,752,777.48/27,743.88
  6. Step 6: Final answer
    x = 20,932.64

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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.