Home / 27,881.30-41,821.43-11,240.88

Finding the Fourth Proportional to 27,881.30, 41,821.43 and 11,240.88

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Solution

The fourth proportional to 27,881.30, 41,821.43 and 11,240.88 is: 16,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.30 : 41,821.43 = 11,240.88 : x
  2. Step 2: Convert to fraction form
    27,881.30/41,821.43 = 11,240.88/x
  3. Step 3: Cross multiply
    27,881.30x = 41,821.43 × 11,240.88
  4. Step 4: Simplify right side
    27,881.30x = 470,109,619.85
  5. Step 5: Solve for x
    x = 470,109,619.85/27,881.30
  6. Step 6: Final answer
    x = 16,861.11

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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.