Home / 28,046.54-42,033.82-12,247.29

Finding the Fourth Proportional to 28,046.54, 42,033.82 and 12,247.29

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Solution

The fourth proportional to 28,046.54, 42,033.82 and 12,247.29 is: 18,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.54 : 42,033.82 = 12,247.29 : x
  2. Step 2: Convert to fraction form
    28,046.54/42,033.82 = 12,247.29/x
  3. Step 3: Cross multiply
    28,046.54x = 42,033.82 × 12,247.29
  4. Step 4: Simplify right side
    28,046.54x = 514,800,451.20
  5. Step 5: Solve for x
    x = 514,800,451.20/28,046.54
  6. Step 6: Final answer
    x = 18,355.22

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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.