Home / 28,906.06-43,358.09-12,255.37

Finding the Fourth Proportional to 28,906.06, 43,358.09 and 12,255.37

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Solution

The fourth proportional to 28,906.06, 43,358.09 and 12,255.37 is: 18,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.06 : 43,358.09 = 12,255.37 : x
  2. Step 2: Convert to fraction form
    28,906.06/43,358.09 = 12,255.37/x
  3. Step 3: Cross multiply
    28,906.06x = 43,358.09 × 12,255.37
  4. Step 4: Simplify right side
    28,906.06x = 531,369,249.29
  5. Step 5: Solve for x
    x = 531,369,249.29/28,906.06
  6. Step 6: Final answer
    x = 18,382.63

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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.