Home / 20,847.17-28,766.45-16,608.98

Finding the Fourth Proportional to 20,847.17, 28,766.45 and 16,608.98

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Solution

The fourth proportional to 20,847.17, 28,766.45 and 16,608.98 is: 22,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.17 : 28,766.45 = 16,608.98 : x
  2. Step 2: Convert to fraction form
    20,847.17/28,766.45 = 16,608.98/x
  3. Step 3: Cross multiply
    20,847.17x = 28,766.45 × 16,608.98
  4. Step 4: Simplify right side
    20,847.17x = 477,781,290.41
  5. Step 5: Solve for x
    x = 477,781,290.41/20,847.17
  6. Step 6: Final answer
    x = 22,918.29

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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.