Home / 28,716.28-43,074.38-8,996.37

Finding the Fourth Proportional to 28,716.28, 43,074.38 and 8,996.37

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Solution

The fourth proportional to 28,716.28, 43,074.38 and 8,996.37 is: 13,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.28 : 43,074.38 = 8,996.37 : x
  2. Step 2: Convert to fraction form
    28,716.28/43,074.38 = 8,996.37/x
  3. Step 3: Cross multiply
    28,716.28x = 43,074.38 × 8,996.37
  4. Step 4: Simplify right side
    28,716.28x = 387,513,082.49
  5. Step 5: Solve for x
    x = 387,513,082.49/28,716.28
  6. Step 6: Final answer
    x = 13,494.54

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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.