Home / 28,867.68-43,301.52-8,091.36

Finding the Fourth Proportional to 28,867.68, 43,301.52 and 8,091.36

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Solution

The fourth proportional to 28,867.68, 43,301.52 and 8,091.36 is: 12,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.68 : 43,301.52 = 8,091.36 : x
  2. Step 2: Convert to fraction form
    28,867.68/43,301.52 = 8,091.36/x
  3. Step 3: Cross multiply
    28,867.68x = 43,301.52 × 8,091.36
  4. Step 4: Simplify right side
    28,867.68x = 350,368,186.87
  5. Step 5: Solve for x
    x = 350,368,186.87/28,867.68
  6. Step 6: Final answer
    x = 12,137.04

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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.