Home / 26,131.11-39,196.67-8,605.95

Finding the Fourth Proportional to 26,131.11, 39,196.67 and 8,605.95

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Solution

The fourth proportional to 26,131.11, 39,196.67 and 8,605.95 is: 12,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.11 : 39,196.67 = 8,605.95 : x
  2. Step 2: Convert to fraction form
    26,131.11/39,196.67 = 8,605.95/x
  3. Step 3: Cross multiply
    26,131.11x = 39,196.67 × 8,605.95
  4. Step 4: Simplify right side
    26,131.11x = 337,324,539.16
  5. Step 5: Solve for x
    x = 337,324,539.16/26,131.11
  6. Step 6: Final answer
    x = 12,908.93

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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.