Home / 28,850.28-43,242.61-12,199.92

Finding the Fourth Proportional to 28,850.28, 43,242.61 and 12,199.92

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Solution

The fourth proportional to 28,850.28, 43,242.61 and 12,199.92 is: 18,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.28 : 43,242.61 = 12,199.92 : x
  2. Step 2: Convert to fraction form
    28,850.28/43,242.61 = 12,199.92/x
  3. Step 3: Cross multiply
    28,850.28x = 43,242.61 × 12,199.92
  4. Step 4: Simplify right side
    28,850.28x = 527,556,212.81
  5. Step 5: Solve for x
    x = 527,556,212.81/28,850.28
  6. Step 6: Final answer
    x = 18,286.00

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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.