Home / 26,868.08-37,078.38-15,540.12

Finding the Fourth Proportional to 26,868.08, 37,078.38 and 15,540.12

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Solution

The fourth proportional to 26,868.08, 37,078.38 and 15,540.12 is: 21,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.08 : 37,078.38 = 15,540.12 : x
  2. Step 2: Convert to fraction form
    26,868.08/37,078.38 = 15,540.12/x
  3. Step 3: Cross multiply
    26,868.08x = 37,078.38 × 15,540.12
  4. Step 4: Simplify right side
    26,868.08x = 576,202,474.61
  5. Step 5: Solve for x
    x = 576,202,474.61/26,868.08
  6. Step 6: Final answer
    x = 21,445.61

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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.