Home / 27,872.31-41,814.86-12,080.00

Finding the Fourth Proportional to 27,872.31, 41,814.86 and 12,080.00

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Solution

The fourth proportional to 27,872.31, 41,814.86 and 12,080.00 is: 18,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.31 : 41,814.86 = 12,080.00 : x
  2. Step 2: Convert to fraction form
    27,872.31/41,814.86 = 12,080.00/x
  3. Step 3: Cross multiply
    27,872.31x = 41,814.86 × 12,080.00
  4. Step 4: Simplify right side
    27,872.31x = 505,123,552.94
  5. Step 5: Solve for x
    x = 505,123,552.94/27,872.31
  6. Step 6: Final answer
    x = 18,122.77

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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.