Home / 27,871.48-41,813.60-12,079.16

Finding the Fourth Proportional to 27,871.48, 41,813.60 and 12,079.16

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Solution

The fourth proportional to 27,871.48, 41,813.60 and 12,079.16 is: 18,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.48 : 41,813.60 = 12,079.16 : x
  2. Step 2: Convert to fraction form
    27,871.48/41,813.60 = 12,079.16/x
  3. Step 3: Cross multiply
    27,871.48x = 41,813.60 × 12,079.16
  4. Step 4: Simplify right side
    27,871.48x = 505,073,164.58
  5. Step 5: Solve for x
    x = 505,073,164.58/27,871.48
  6. Step 6: Final answer
    x = 18,121.51

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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.