Home / 27,942.26-38,560.46-15,195.53

Finding the Fourth Proportional to 27,942.26, 38,560.46 and 15,195.53

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Solution

The fourth proportional to 27,942.26, 38,560.46 and 15,195.53 is: 20,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.26 : 38,560.46 = 15,195.53 : x
  2. Step 2: Convert to fraction form
    27,942.26/38,560.46 = 15,195.53/x
  3. Step 3: Cross multiply
    27,942.26x = 38,560.46 × 15,195.53
  4. Step 4: Simplify right side
    27,942.26x = 585,946,357.96
  5. Step 5: Solve for x
    x = 585,946,357.96/27,942.26
  6. Step 6: Final answer
    x = 20,969.90

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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.