Home / 27,579.88-41,369.10-8,861.20

Finding the Fourth Proportional to 27,579.88, 41,369.10 and 8,861.20

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Solution

The fourth proportional to 27,579.88, 41,369.10 and 8,861.20 is: 13,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.88 : 41,369.10 = 8,861.20 : x
  2. Step 2: Convert to fraction form
    27,579.88/41,369.10 = 8,861.20/x
  3. Step 3: Cross multiply
    27,579.88x = 41,369.10 × 8,861.20
  4. Step 4: Simplify right side
    27,579.88x = 366,579,868.92
  5. Step 5: Solve for x
    x = 366,579,868.92/27,579.88
  6. Step 6: Final answer
    x = 13,291.57

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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.