Home / 27,720.94-41,562.42-9,951.20

Finding the Fourth Proportional to 27,720.94, 41,562.42 and 9,951.20

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Solution

The fourth proportional to 27,720.94, 41,562.42 and 9,951.20 is: 14,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.94 : 41,562.42 = 9,951.20 : x
  2. Step 2: Convert to fraction form
    27,720.94/41,562.42 = 9,951.20/x
  3. Step 3: Cross multiply
    27,720.94x = 41,562.42 × 9,951.20
  4. Step 4: Simplify right side
    27,720.94x = 413,595,953.90
  5. Step 5: Solve for x
    x = 413,595,953.90/27,720.94
  6. Step 6: Final answer
    x = 14,919.98

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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.