Home / 28,816.92-39,766.68-16,241.76

Finding the Fourth Proportional to 28,816.92, 39,766.68 and 16,241.76

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Solution

The fourth proportional to 28,816.92, 39,766.68 and 16,241.76 is: 22,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.92 : 39,766.68 = 16,241.76 : x
  2. Step 2: Convert to fraction form
    28,816.92/39,766.68 = 16,241.76/x
  3. Step 3: Cross multiply
    28,816.92x = 39,766.68 × 16,241.76
  4. Step 4: Simplify right side
    28,816.92x = 645,880,872.56
  5. Step 5: Solve for x
    x = 645,880,872.56/28,816.92
  6. Step 6: Final answer
    x = 22,413.25

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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.