Home / 28,769.92-43,179.62-11,252.05

Finding the Fourth Proportional to 28,769.92, 43,179.62 and 11,252.05

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Solution

The fourth proportional to 28,769.92, 43,179.62 and 11,252.05 is: 16,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.92 : 43,179.62 = 11,252.05 : x
  2. Step 2: Convert to fraction form
    28,769.92/43,179.62 = 11,252.05/x
  3. Step 3: Cross multiply
    28,769.92x = 43,179.62 × 11,252.05
  4. Step 4: Simplify right side
    28,769.92x = 485,859,079.01
  5. Step 5: Solve for x
    x = 485,859,079.01/28,769.92
  6. Step 6: Final answer
    x = 16,887.75

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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.