Home / 27,814.80-41,819.40-27,231.60

Finding the Fourth Proportional to 27,814.80, 41,819.40 and 27,231.60

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Solution

The fourth proportional to 27,814.80, 41,819.40 and 27,231.60 is: 40,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.80 : 41,819.40 = 27,231.60 : x
  2. Step 2: Convert to fraction form
    27,814.80/41,819.40 = 27,231.60/x
  3. Step 3: Cross multiply
    27,814.80x = 41,819.40 × 27,231.60
  4. Step 4: Simplify right side
    27,814.80x = 1,138,809,173.04
  5. Step 5: Solve for x
    x = 1,138,809,173.04/27,814.80
  6. Step 6: Final answer
    x = 40,942.56

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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.