Home / 27,972.34-41,964.66-12,179.89

Finding the Fourth Proportional to 27,972.34, 41,964.66 and 12,179.89

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Solution

The fourth proportional to 27,972.34, 41,964.66 and 12,179.89 is: 18,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.34 : 41,964.66 = 12,179.89 : x
  2. Step 2: Convert to fraction form
    27,972.34/41,964.66 = 12,179.89/x
  3. Step 3: Cross multiply
    27,972.34x = 41,964.66 × 12,179.89
  4. Step 4: Simplify right side
    27,972.34x = 511,124,942.69
  5. Step 5: Solve for x
    x = 511,124,942.69/27,972.34
  6. Step 6: Final answer
    x = 18,272.51

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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.