Home / 28,241.92-38,979.39-16,304.55

Finding the Fourth Proportional to 28,241.92, 38,979.39 and 16,304.55

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Solution

The fourth proportional to 28,241.92, 38,979.39 and 16,304.55 is: 22,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.92 : 38,979.39 = 16,304.55 : x
  2. Step 2: Convert to fraction form
    28,241.92/38,979.39 = 16,304.55/x
  3. Step 3: Cross multiply
    28,241.92x = 38,979.39 × 16,304.55
  4. Step 4: Simplify right side
    28,241.92x = 635,541,413.22
  5. Step 5: Solve for x
    x = 635,541,413.22/28,241.92
  6. Step 6: Final answer
    x = 22,503.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.