Home / 28,949.87-43,424.78-8,173.37

Finding the Fourth Proportional to 28,949.87, 43,424.78 and 8,173.37

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Solution

The fourth proportional to 28,949.87, 43,424.78 and 8,173.37 is: 12,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.87 : 43,424.78 = 8,173.37 : x
  2. Step 2: Convert to fraction form
    28,949.87/43,424.78 = 8,173.37/x
  3. Step 3: Cross multiply
    28,949.87x = 43,424.78 × 8,173.37
  4. Step 4: Simplify right side
    28,949.87x = 354,926,536.12
  5. Step 5: Solve for x
    x = 354,926,536.12/28,949.87
  6. Step 6: Final answer
    x = 12,260.04

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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.