Home / 28,766.20-43,134.66-13,170.46

Finding the Fourth Proportional to 28,766.20, 43,134.66 and 13,170.46

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Solution

The fourth proportional to 28,766.20, 43,134.66 and 13,170.46 is: 19,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.20 : 43,134.66 = 13,170.46 : x
  2. Step 2: Convert to fraction form
    28,766.20/43,134.66 = 13,170.46/x
  3. Step 3: Cross multiply
    28,766.20x = 43,134.66 × 13,170.46
  4. Step 4: Simplify right side
    28,766.20x = 568,103,314.14
  5. Step 5: Solve for x
    x = 568,103,314.14/28,766.20
  6. Step 6: Final answer
    x = 19,748.99

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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.