Home / 43,401.60-65,105.28-15,696

Finding the Fourth Proportional to 43,401.60, 65,105.28 and 15,696

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Solution

The fourth proportional to 43,401.60, 65,105.28 and 15,696 is: 23,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.60 : 65,105.28 = 15,696 : x
  2. Step 2: Convert to fraction form
    43,401.60/65,105.28 = 15,696/x
  3. Step 3: Cross multiply
    43,401.60x = 65,105.28 × 15,696
  4. Step 4: Simplify right side
    43,401.60x = 1,021,892,474.88
  5. Step 5: Solve for x
    x = 1,021,892,474.88/43,401.60
  6. Step 6: Final answer
    x = 23,545.04

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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.