Home / 26,276.70-39,413.94-12,231.90

Finding the Fourth Proportional to 26,276.70, 39,413.94 and 12,231.90

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Solution

The fourth proportional to 26,276.70, 39,413.94 and 12,231.90 is: 18,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.70 : 39,413.94 = 12,231.90 : x
  2. Step 2: Convert to fraction form
    26,276.70/39,413.94 = 12,231.90/x
  3. Step 3: Cross multiply
    26,276.70x = 39,413.94 × 12,231.90
  4. Step 4: Simplify right side
    26,276.70x = 482,107,372.69
  5. Step 5: Solve for x
    x = 482,107,372.69/26,276.70
  6. Step 6: Final answer
    x = 18,347.33

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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.