Home / 43,665.70-65,389.20-28,794.10

Finding the Fourth Proportional to 43,665.70, 65,389.20 and 28,794.10

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Solution

The fourth proportional to 43,665.70, 65,389.20 and 28,794.10 is: 43,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,665.70 : 65,389.20 = 28,794.10 : x
  2. Step 2: Convert to fraction form
    43,665.70/65,389.20 = 28,794.10/x
  3. Step 3: Cross multiply
    43,665.70x = 65,389.20 × 28,794.10
  4. Step 4: Simplify right side
    43,665.70x = 1,882,823,163.72
  5. Step 5: Solve for x
    x = 1,882,823,163.72/43,665.70
  6. Step 6: Final answer
    x = 43,119.04

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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.