Home / 21,704.20-32,517.90-19,246.60

Finding the Fourth Proportional to 21,704.20, 32,517.90 and 19,246.60

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Solution

The fourth proportional to 21,704.20, 32,517.90 and 19,246.60 is: 28,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.20 : 32,517.90 = 19,246.60 : x
  2. Step 2: Convert to fraction form
    21,704.20/32,517.90 = 19,246.60/x
  3. Step 3: Cross multiply
    21,704.20x = 32,517.90 × 19,246.60
  4. Step 4: Simplify right side
    21,704.20x = 625,859,014.14
  5. Step 5: Solve for x
    x = 625,859,014.14/21,704.20
  6. Step 6: Final answer
    x = 28,835.85

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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.