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Finding the Fourth Proportional to 17,309.92, 25,928.80 and 16,064.60

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Solution

The fourth proportional to 17,309.92, 25,928.80 and 16,064.60 is: 24,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.92 : 25,928.80 = 16,064.60 : x
  2. Step 2: Convert to fraction form
    17,309.92/25,928.80 = 16,064.60/x
  3. Step 3: Cross multiply
    17,309.92x = 25,928.80 × 16,064.60
  4. Step 4: Simplify right side
    17,309.92x = 416,535,800.48
  5. Step 5: Solve for x
    x = 416,535,800.48/17,309.92
  6. Step 6: Final answer
    x = 24,063.42

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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.