Home / 28,874.28-43,314.26-12,003.81

Finding the Fourth Proportional to 28,874.28, 43,314.26 and 12,003.81

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Solution

The fourth proportional to 28,874.28, 43,314.26 and 12,003.81 is: 18,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.28 : 43,314.26 = 12,003.81 : x
  2. Step 2: Convert to fraction form
    28,874.28/43,314.26 = 12,003.81/x
  3. Step 3: Cross multiply
    28,874.28x = 43,314.26 × 12,003.81
  4. Step 4: Simplify right side
    28,874.28x = 519,936,147.33
  5. Step 5: Solve for x
    x = 519,936,147.33/28,874.28
  6. Step 6: Final answer
    x = 18,006.90

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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.