Home / 26,276.32-39,413.38-12,231.52

Finding the Fourth Proportional to 26,276.32, 39,413.38 and 12,231.52

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Solution

The fourth proportional to 26,276.32, 39,413.38 and 12,231.52 is: 18,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.32 : 39,413.38 = 12,231.52 : x
  2. Step 2: Convert to fraction form
    26,276.32/39,413.38 = 12,231.52/x
  3. Step 3: Cross multiply
    26,276.32x = 39,413.38 × 12,231.52
  4. Step 4: Simplify right side
    26,276.32x = 482,085,545.74
  5. Step 5: Solve for x
    x = 482,085,545.74/26,276.32
  6. Step 6: Final answer
    x = 18,346.77

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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.