Home / 27,081.50-37,372.15-15,144.73

Finding the Fourth Proportional to 27,081.50, 37,372.15 and 15,144.73

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Solution

The fourth proportional to 27,081.50, 37,372.15 and 15,144.73 is: 20,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.50 : 37,372.15 = 15,144.73 : x
  2. Step 2: Convert to fraction form
    27,081.50/37,372.15 = 15,144.73/x
  3. Step 3: Cross multiply
    27,081.50x = 37,372.15 × 15,144.73
  4. Step 4: Simplify right side
    27,081.50x = 565,991,121.27
  5. Step 5: Solve for x
    x = 565,991,121.27/27,081.50
  6. Step 6: Final answer
    x = 20,899.55

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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.