Home / 27,949.70-38,568.48-15,375.26

Finding the Fourth Proportional to 27,949.70, 38,568.48 and 15,375.26

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Solution

The fourth proportional to 27,949.70, 38,568.48 and 15,375.26 is: 21,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.70 : 38,568.48 = 15,375.26 : x
  2. Step 2: Convert to fraction form
    27,949.70/38,568.48 = 15,375.26/x
  3. Step 3: Cross multiply
    27,949.70x = 38,568.48 × 15,375.26
  4. Step 4: Simplify right side
    27,949.70x = 593,000,407.80
  5. Step 5: Solve for x
    x = 593,000,407.80/27,949.70
  6. Step 6: Final answer
    x = 21,216.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.