Home / 27,704.56-38,232.54-15,129.52

Finding the Fourth Proportional to 27,704.56, 38,232.54 and 15,129.52

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Solution

The fourth proportional to 27,704.56, 38,232.54 and 15,129.52 is: 20,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.56 : 38,232.54 = 15,129.52 : x
  2. Step 2: Convert to fraction form
    27,704.56/38,232.54 = 15,129.52/x
  3. Step 3: Cross multiply
    27,704.56x = 38,232.54 × 15,129.52
  4. Step 4: Simplify right side
    27,704.56x = 578,439,978.58
  5. Step 5: Solve for x
    x = 578,439,978.58/27,704.56
  6. Step 6: Final answer
    x = 20,878.87

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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.