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Finding the Fourth Proportional to 17,249.60, 25,845.60 and 16,212.80

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Solution

The fourth proportional to 17,249.60, 25,845.60 and 16,212.80 is: 24,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,249.60 : 25,845.60 = 16,212.80 : x
  2. Step 2: Convert to fraction form
    17,249.60/25,845.60 = 16,212.80/x
  3. Step 3: Cross multiply
    17,249.60x = 25,845.60 × 16,212.80
  4. Step 4: Simplify right side
    17,249.60x = 419,029,543.68
  5. Step 5: Solve for x
    x = 419,029,543.68/17,249.60
  6. Step 6: Final answer
    x = 24,292.13

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1.5x scale

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.