Home / 26,413.16-39,611.37-8,639.71

Finding the Fourth Proportional to 26,413.16, 39,611.37 and 8,639.71

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Solution

The fourth proportional to 26,413.16, 39,611.37 and 8,639.71 is: 12,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.16 : 39,611.37 = 8,639.71 : x
  2. Step 2: Convert to fraction form
    26,413.16/39,611.37 = 8,639.71/x
  3. Step 3: Cross multiply
    26,413.16x = 39,611.37 × 8,639.71
  4. Step 4: Simplify right side
    26,413.16x = 342,230,749.50
  5. Step 5: Solve for x
    x = 342,230,749.50/26,413.16
  6. Step 6: Final answer
    x = 12,956.83

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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.