Home / 28,906.68-43,351.52-12,257.54

Finding the Fourth Proportional to 28,906.68, 43,351.52 and 12,257.54

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Solution

The fourth proportional to 28,906.68, 43,351.52 and 12,257.54 is: 18,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.68 : 43,351.52 = 12,257.54 : x
  2. Step 2: Convert to fraction form
    28,906.68/43,351.52 = 12,257.54/x
  3. Step 3: Cross multiply
    28,906.68x = 43,351.52 × 12,257.54
  4. Step 4: Simplify right side
    28,906.68x = 531,382,712.42
  5. Step 5: Solve for x
    x = 531,382,712.42/28,906.68
  6. Step 6: Final answer
    x = 18,382.70

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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.