Home / 27,863.32-38,452.38-15,288.44

Finding the Fourth Proportional to 27,863.32, 38,452.38 and 15,288.44

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Solution

The fourth proportional to 27,863.32, 38,452.38 and 15,288.44 is: 21,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.32 : 38,452.38 = 15,288.44 : x
  2. Step 2: Convert to fraction form
    27,863.32/38,452.38 = 15,288.44/x
  3. Step 3: Cross multiply
    27,863.32x = 38,452.38 × 15,288.44
  4. Step 4: Simplify right side
    27,863.32x = 587,876,904.49
  5. Step 5: Solve for x
    x = 587,876,904.49/27,863.32
  6. Step 6: Final answer
    x = 21,098.60

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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.