Home / 26,391.21-39,587.15-8,621.73

Finding the Fourth Proportional to 26,391.21, 39,587.15 and 8,621.73

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Solution

The fourth proportional to 26,391.21, 39,587.15 and 8,621.73 is: 12,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.21 : 39,587.15 = 8,621.73 : x
  2. Step 2: Convert to fraction form
    26,391.21/39,587.15 = 8,621.73/x
  3. Step 3: Cross multiply
    26,391.21x = 39,587.15 × 8,621.73
  4. Step 4: Simplify right side
    26,391.21x = 341,309,740.32
  5. Step 5: Solve for x
    x = 341,309,740.32/26,391.21
  6. Step 6: Final answer
    x = 12,932.71

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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.