Home / 27,861.80-41,780.55-11,216.30

Finding the Fourth Proportional to 27,861.80, 41,780.55 and 11,216.30

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Solution

The fourth proportional to 27,861.80, 41,780.55 and 11,216.30 is: 16,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.80 : 41,780.55 = 11,216.30 : x
  2. Step 2: Convert to fraction form
    27,861.80/41,780.55 = 11,216.30/x
  3. Step 3: Cross multiply
    27,861.80x = 41,780.55 × 11,216.30
  4. Step 4: Simplify right side
    27,861.80x = 468,623,182.97
  5. Step 5: Solve for x
    x = 468,623,182.97/27,861.80
  6. Step 6: Final answer
    x = 16,819.56

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1.5x scale

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.