Home / 28,868.20-43,269.90-14,822.80

Finding the Fourth Proportional to 28,868.20, 43,269.90 and 14,822.80

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Solution

The fourth proportional to 28,868.20, 43,269.90 and 14,822.80 is: 22,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.20 : 43,269.90 = 14,822.80 : x
  2. Step 2: Convert to fraction form
    28,868.20/43,269.90 = 14,822.80/x
  3. Step 3: Cross multiply
    28,868.20x = 43,269.90 × 14,822.80
  4. Step 4: Simplify right side
    28,868.20x = 641,381,073.72
  5. Step 5: Solve for x
    x = 641,381,073.72/28,868.20
  6. Step 6: Final answer
    x = 22,217.56

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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.