Home / 27,704.73-38,232.39-15,129.48

Finding the Fourth Proportional to 27,704.73, 38,232.39 and 15,129.48

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Solution

The fourth proportional to 27,704.73, 38,232.39 and 15,129.48 is: 20,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.73 : 38,232.39 = 15,129.48 : x
  2. Step 2: Convert to fraction form
    27,704.73/38,232.39 = 15,129.48/x
  3. Step 3: Cross multiply
    27,704.73x = 38,232.39 × 15,129.48
  4. Step 4: Simplify right side
    27,704.73x = 578,436,179.86
  5. Step 5: Solve for x
    x = 578,436,179.86/27,704.73
  6. Step 6: Final answer
    x = 20,878.61

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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.