Home / 38,570.40-57,855.60-17,793.90

Finding the Fourth Proportional to 38,570.40, 57,855.60 and 17,793.90

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Solution

The fourth proportional to 38,570.40, 57,855.60 and 17,793.90 is: 26,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.40 : 57,855.60 = 17,793.90 : x
  2. Step 2: Convert to fraction form
    38,570.40/57,855.60 = 17,793.90/x
  3. Step 3: Cross multiply
    38,570.40x = 57,855.60 × 17,793.90
  4. Step 4: Simplify right side
    38,570.40x = 1,029,476,760.84
  5. Step 5: Solve for x
    x = 1,029,476,760.84/38,570.40
  6. Step 6: Final answer
    x = 26,690.85

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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.