Home / 26,230.77-39,321.05-8,691.03

Finding the Fourth Proportional to 26,230.77, 39,321.05 and 8,691.03

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Solution

The fourth proportional to 26,230.77, 39,321.05 and 8,691.03 is: 13,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.77 : 39,321.05 = 8,691.03 : x
  2. Step 2: Convert to fraction form
    26,230.77/39,321.05 = 8,691.03/x
  3. Step 3: Cross multiply
    26,230.77x = 39,321.05 × 8,691.03
  4. Step 4: Simplify right side
    26,230.77x = 341,740,381.73
  5. Step 5: Solve for x
    x = 341,740,381.73/26,230.77
  6. Step 6: Final answer
    x = 13,028.23

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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.