Home / 27,716.56-41,568.80-7,991.44

Finding the Fourth Proportional to 27,716.56, 41,568.80 and 7,991.44

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Solution

The fourth proportional to 27,716.56, 41,568.80 and 7,991.44 is: 11,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.56 : 41,568.80 = 7,991.44 : x
  2. Step 2: Convert to fraction form
    27,716.56/41,568.80 = 7,991.44/x
  3. Step 3: Cross multiply
    27,716.56x = 41,568.80 × 7,991.44
  4. Step 4: Simplify right side
    27,716.56x = 332,194,571.07
  5. Step 5: Solve for x
    x = 332,194,571.07/27,716.56
  6. Step 6: Final answer
    x = 11,985.42

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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.