Home / 38,523.78-57,789.36-15,144.75

Finding the Fourth Proportional to 38,523.78, 57,789.36 and 15,144.75

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Solution

The fourth proportional to 38,523.78, 57,789.36 and 15,144.75 is: 22,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.78 : 57,789.36 = 15,144.75 : x
  2. Step 2: Convert to fraction form
    38,523.78/57,789.36 = 15,144.75/x
  3. Step 3: Cross multiply
    38,523.78x = 57,789.36 × 15,144.75
  4. Step 4: Simplify right side
    38,523.78x = 875,205,409.86
  5. Step 5: Solve for x
    x = 875,205,409.86/38,523.78
  6. Step 6: Final answer
    x = 22,718.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.