Home / 69,318.56-103,976.94-16,727.78

Finding the Fourth Proportional to 69,318.56, 103,976.94 and 16,727.78

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Solution

The fourth proportional to 69,318.56, 103,976.94 and 16,727.78 is: 25,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318.56 : 103,976.94 = 16,727.78 : x
  2. Step 2: Convert to fraction form
    69,318.56/103,976.94 = 16,727.78/x
  3. Step 3: Cross multiply
    69,318.56x = 103,976.94 × 16,727.78
  4. Step 4: Simplify right side
    69,318.56x = 1,739,303,377.39
  5. Step 5: Solve for x
    x = 1,739,303,377.39/69,318.56
  6. Step 6: Final answer
    x = 25,091.45

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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.