Home / 27,871.90-41,814.23-12,079.58

Finding the Fourth Proportional to 27,871.90, 41,814.23 and 12,079.58

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Solution

The fourth proportional to 27,871.90, 41,814.23 and 12,079.58 is: 18,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.90 : 41,814.23 = 12,079.58 : x
  2. Step 2: Convert to fraction form
    27,871.90/41,814.23 = 12,079.58/x
  3. Step 3: Cross multiply
    27,871.90x = 41,814.23 × 12,079.58
  4. Step 4: Simplify right side
    27,871.90x = 505,098,471.16
  5. Step 5: Solve for x
    x = 505,098,471.16/27,871.90
  6. Step 6: Final answer
    x = 18,122.14

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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.