Home / 27,079.50-37,369.40-15,142.73

Finding the Fourth Proportional to 27,079.50, 37,369.40 and 15,142.73

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Solution

The fourth proportional to 27,079.50, 37,369.40 and 15,142.73 is: 20,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.50 : 37,369.40 = 15,142.73 : x
  2. Step 2: Convert to fraction form
    27,079.50/37,369.40 = 15,142.73/x
  3. Step 3: Cross multiply
    27,079.50x = 37,369.40 × 15,142.73
  4. Step 4: Simplify right side
    27,079.50x = 565,874,471.90
  5. Step 5: Solve for x
    x = 565,874,471.90/27,079.50
  6. Step 6: Final answer
    x = 20,896.78

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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.