Home / 27,991.53-38,627.52-15,244.42

Finding the Fourth Proportional to 27,991.53, 38,627.52 and 15,244.42

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Solution

The fourth proportional to 27,991.53, 38,627.52 and 15,244.42 is: 21,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.53 : 38,627.52 = 15,244.42 : x
  2. Step 2: Convert to fraction form
    27,991.53/38,627.52 = 15,244.42/x
  3. Step 3: Cross multiply
    27,991.53x = 38,627.52 × 15,244.42
  4. Step 4: Simplify right side
    27,991.53x = 588,854,062.22
  5. Step 5: Solve for x
    x = 588,854,062.22/27,991.53
  6. Step 6: Final answer
    x = 21,036.87

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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.