Home / 27,912.80-41,871.85-9,192.89

Finding the Fourth Proportional to 27,912.80, 41,871.85 and 9,192.89

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Solution

The fourth proportional to 27,912.80, 41,871.85 and 9,192.89 is: 13,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.80 : 41,871.85 = 9,192.89 : x
  2. Step 2: Convert to fraction form
    27,912.80/41,871.85 = 9,192.89/x
  3. Step 3: Cross multiply
    27,912.80x = 41,871.85 × 9,192.89
  4. Step 4: Simplify right side
    27,912.80x = 384,923,392.84
  5. Step 5: Solve for x
    x = 384,923,392.84/27,912.80
  6. Step 6: Final answer
    x = 13,790.21

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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.