Home / 26,188.49-39,286.43-8,413.19

Finding the Fourth Proportional to 26,188.49, 39,286.43 and 8,413.19

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Solution

The fourth proportional to 26,188.49, 39,286.43 and 8,413.19 is: 12,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.49 : 39,286.43 = 8,413.19 : x
  2. Step 2: Convert to fraction form
    26,188.49/39,286.43 = 8,413.19/x
  3. Step 3: Cross multiply
    26,188.49x = 39,286.43 × 8,413.19
  4. Step 4: Simplify right side
    26,188.49x = 330,524,198.27
  5. Step 5: Solve for x
    x = 330,524,198.27/26,188.49
  6. Step 6: Final answer
    x = 12,620.97

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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.