Home / 20,633.27-30,944.43-8,943.75

Finding the Fourth Proportional to 20,633.27, 30,944.43 and 8,943.75

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Solution

The fourth proportional to 20,633.27, 30,944.43 and 8,943.75 is: 13,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.27 : 30,944.43 = 8,943.75 : x
  2. Step 2: Convert to fraction form
    20,633.27/30,944.43 = 8,943.75/x
  3. Step 3: Cross multiply
    20,633.27x = 30,944.43 × 8,943.75
  4. Step 4: Simplify right side
    20,633.27x = 276,759,245.81
  5. Step 5: Solve for x
    x = 276,759,245.81/20,633.27
  6. Step 6: Final answer
    x = 13,413.26

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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.