Home / 27,737.75-38,279.04-15,163.31

Finding the Fourth Proportional to 27,737.75, 38,279.04 and 15,163.31

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Solution

The fourth proportional to 27,737.75, 38,279.04 and 15,163.31 is: 20,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.75 : 38,279.04 = 15,163.31 : x
  2. Step 2: Convert to fraction form
    27,737.75/38,279.04 = 15,163.31/x
  3. Step 3: Cross multiply
    27,737.75x = 38,279.04 × 15,163.31
  4. Step 4: Simplify right side
    27,737.75x = 580,436,950.02
  5. Step 5: Solve for x
    x = 580,436,950.02/27,737.75
  6. Step 6: Final answer
    x = 20,925.88

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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.