Home / 27,737.82-38,278.17-14,990.94

Finding the Fourth Proportional to 27,737.82, 38,278.17 and 14,990.94

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Solution

The fourth proportional to 27,737.82, 38,278.17 and 14,990.94 is: 20,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.82 : 38,278.17 = 14,990.94 : x
  2. Step 2: Convert to fraction form
    27,737.82/38,278.17 = 14,990.94/x
  3. Step 3: Cross multiply
    27,737.82x = 38,278.17 × 14,990.94
  4. Step 4: Simplify right side
    27,737.82x = 573,825,749.78
  5. Step 5: Solve for x
    x = 573,825,749.78/27,737.82
  6. Step 6: Final answer
    x = 20,687.49

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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.