Home / 27,868.97-41,793.72-12,278.09

Finding the Fourth Proportional to 27,868.97, 41,793.72 and 12,278.09

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Solution

The fourth proportional to 27,868.97, 41,793.72 and 12,278.09 is: 18,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.97 : 41,793.72 = 12,278.09 : x
  2. Step 2: Convert to fraction form
    27,868.97/41,793.72 = 12,278.09/x
  3. Step 3: Cross multiply
    27,868.97x = 41,793.72 × 12,278.09
  4. Step 4: Simplify right side
    27,868.97x = 513,146,846.63
  5. Step 5: Solve for x
    x = 513,146,846.63/27,868.97
  6. Step 6: Final answer
    x = 18,412.84

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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.