Home / 27,871.15-41,813.11-12,078.83

Finding the Fourth Proportional to 27,871.15, 41,813.11 and 12,078.83

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Solution

The fourth proportional to 27,871.15, 41,813.11 and 12,078.83 is: 18,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.15 : 41,813.11 = 12,078.83 : x
  2. Step 2: Convert to fraction form
    27,871.15/41,813.11 = 12,078.83/x
  3. Step 3: Cross multiply
    27,871.15x = 41,813.11 × 12,078.83
  4. Step 4: Simplify right side
    27,871.15x = 505,053,361.29
  5. Step 5: Solve for x
    x = 505,053,361.29/27,871.15
  6. Step 6: Final answer
    x = 18,121.01

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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.