Home / 21,693.60-32,545.44-8,544.96

Finding the Fourth Proportional to 21,693.60, 32,545.44 and 8,544.96

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Solution

The fourth proportional to 21,693.60, 32,545.44 and 8,544.96 is: 12,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.60 : 32,545.44 = 8,544.96 : x
  2. Step 2: Convert to fraction form
    21,693.60/32,545.44 = 8,544.96/x
  3. Step 3: Cross multiply
    21,693.60x = 32,545.44 × 8,544.96
  4. Step 4: Simplify right side
    21,693.60x = 278,099,482.98
  5. Step 5: Solve for x
    x = 278,099,482.98/21,693.60
  6. Step 6: Final answer
    x = 12,819.43

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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.