Home / 28,806.20-43,209.30-8,029.70

Finding the Fourth Proportional to 28,806.20, 43,209.30 and 8,029.70

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Solution

The fourth proportional to 28,806.20, 43,209.30 and 8,029.70 is: 12,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.20 : 43,209.30 = 8,029.70 : x
  2. Step 2: Convert to fraction form
    28,806.20/43,209.30 = 8,029.70/x
  3. Step 3: Cross multiply
    28,806.20x = 43,209.30 × 8,029.70
  4. Step 4: Simplify right side
    28,806.20x = 346,957,716.21
  5. Step 5: Solve for x
    x = 346,957,716.21/28,806.20
  6. Step 6: Final answer
    x = 12,044.55

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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.