Home / 38,091.12-57,156.12-17,311.92

Finding the Fourth Proportional to 38,091.12, 57,156.12 and 17,311.92

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Solution

The fourth proportional to 38,091.12, 57,156.12 and 17,311.92 is: 25,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.12 : 57,156.12 = 17,311.92 : x
  2. Step 2: Convert to fraction form
    38,091.12/57,156.12 = 17,311.92/x
  3. Step 3: Cross multiply
    38,091.12x = 57,156.12 × 17,311.92
  4. Step 4: Simplify right side
    38,091.12x = 989,482,176.95
  5. Step 5: Solve for x
    x = 989,482,176.95/38,091.12
  6. Step 6: Final answer
    x = 25,976.72

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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.