Home / 27,716.58-41,568.78-7,990.85

Finding the Fourth Proportional to 27,716.58, 41,568.78 and 7,990.85

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Solution

The fourth proportional to 27,716.58, 41,568.78 and 7,990.85 is: 11,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.58 : 41,568.78 = 7,990.85 : x
  2. Step 2: Convert to fraction form
    27,716.58/41,568.78 = 7,990.85/x
  3. Step 3: Cross multiply
    27,716.58x = 41,568.78 × 7,990.85
  4. Step 4: Simplify right side
    27,716.58x = 332,169,885.66
  5. Step 5: Solve for x
    x = 332,169,885.66/27,716.58
  6. Step 6: Final answer
    x = 11,984.52

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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.