Home / 26,890.30-40,335.58-8,170.48

Finding the Fourth Proportional to 26,890.30, 40,335.58 and 8,170.48

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Solution

The fourth proportional to 26,890.30, 40,335.58 and 8,170.48 is: 12,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.30 : 40,335.58 = 8,170.48 : x
  2. Step 2: Convert to fraction form
    26,890.30/40,335.58 = 8,170.48/x
  3. Step 3: Cross multiply
    26,890.30x = 40,335.58 × 8,170.48
  4. Step 4: Simplify right side
    26,890.30x = 329,561,049.68
  5. Step 5: Solve for x
    x = 329,561,049.68/26,890.30
  6. Step 6: Final answer
    x = 12,255.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.