Home / 28,758.21-43,141.67-9,034.91

Finding the Fourth Proportional to 28,758.21, 43,141.67 and 9,034.91

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Solution

The fourth proportional to 28,758.21, 43,141.67 and 9,034.91 is: 13,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.21 : 43,141.67 = 9,034.91 : x
  2. Step 2: Convert to fraction form
    28,758.21/43,141.67 = 9,034.91/x
  3. Step 3: Cross multiply
    28,758.21x = 43,141.67 × 9,034.91
  4. Step 4: Simplify right side
    28,758.21x = 389,781,105.70
  5. Step 5: Solve for x
    x = 389,781,105.70/28,758.21
  6. Step 6: Final answer
    x = 13,553.73

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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.