Home / 27,558-41,330.84-10,921.77

Finding the Fourth Proportional to 27,558, 41,330.84 and 10,921.77

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Solution

The fourth proportional to 27,558, 41,330.84 and 10,921.77 is: 16,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558 : 41,330.84 = 10,921.77 : x
  2. Step 2: Convert to fraction form
    27,558/41,330.84 = 10,921.77/x
  3. Step 3: Cross multiply
    27,558x = 41,330.84 × 10,921.77
  4. Step 4: Simplify right side
    27,558x = 451,405,873.78
  5. Step 5: Solve for x
    x = 451,405,873.78/27,558
  6. Step 6: Final answer
    x = 16,380.21

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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.