Home / 27,737.88-38,278.08-15,162.66

Finding the Fourth Proportional to 27,737.88, 38,278.08 and 15,162.66

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Solution

The fourth proportional to 27,737.88, 38,278.08 and 15,162.66 is: 20,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.88 : 38,278.08 = 15,162.66 : x
  2. Step 2: Convert to fraction form
    27,737.88/38,278.08 = 15,162.66/x
  3. Step 3: Cross multiply
    27,737.88x = 38,278.08 × 15,162.66
  4. Step 4: Simplify right side
    27,737.88x = 580,397,512.49
  5. Step 5: Solve for x
    x = 580,397,512.49/27,737.88
  6. Step 6: Final answer
    x = 20,924.36

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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.