Home / 26,276.45-39,413.57-12,231.65

Finding the Fourth Proportional to 26,276.45, 39,413.57 and 12,231.65

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Solution

The fourth proportional to 26,276.45, 39,413.57 and 12,231.65 is: 18,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.45 : 39,413.57 = 12,231.65 : x
  2. Step 2: Convert to fraction form
    26,276.45/39,413.57 = 12,231.65/x
  3. Step 3: Cross multiply
    26,276.45x = 39,413.57 × 12,231.65
  4. Step 4: Simplify right side
    26,276.45x = 482,092,735.26
  5. Step 5: Solve for x
    x = 482,092,735.26/26,276.45
  6. Step 6: Final answer
    x = 18,346.95

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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.