Home / 43,105.76-64,660.46-15,028.62

Finding the Fourth Proportional to 43,105.76, 64,660.46 and 15,028.62

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Solution

The fourth proportional to 43,105.76, 64,660.46 and 15,028.62 is: 22,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.76 : 64,660.46 = 15,028.62 : x
  2. Step 2: Convert to fraction form
    43,105.76/64,660.46 = 15,028.62/x
  3. Step 3: Cross multiply
    43,105.76x = 64,660.46 × 15,028.62
  4. Step 4: Simplify right side
    43,105.76x = 971,757,407.22
  5. Step 5: Solve for x
    x = 971,757,407.22/43,105.76
  6. Step 6: Final answer
    x = 22,543.57

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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.