Home / 67,744.24-101,600-28,279.96

Finding the Fourth Proportional to 67,744.24, 101,600 and 28,279.96

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Solution

The fourth proportional to 67,744.24, 101,600 and 28,279.96 is: 42,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,744.24 : 101,600 = 28,279.96 : x
  2. Step 2: Convert to fraction form
    67,744.24/101,600 = 28,279.96/x
  3. Step 3: Cross multiply
    67,744.24x = 101,600 × 28,279.96
  4. Step 4: Simplify right side
    67,744.24x = 2,873,243,936
  5. Step 5: Solve for x
    x = 2,873,243,936/67,744.24
  6. Step 6: Final answer
    x = 42,413.11

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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.