Home / 28,971.06-43,456.99-8,194.56

Finding the Fourth Proportional to 28,971.06, 43,456.99 and 8,194.56

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Solution

The fourth proportional to 28,971.06, 43,456.99 and 8,194.56 is: 12,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.06 : 43,456.99 = 8,194.56 : x
  2. Step 2: Convert to fraction form
    28,971.06/43,456.99 = 8,194.56/x
  3. Step 3: Cross multiply
    28,971.06x = 43,456.99 × 8,194.56
  4. Step 4: Simplify right side
    28,971.06x = 356,110,911.97
  5. Step 5: Solve for x
    x = 356,110,911.97/28,971.06
  6. Step 6: Final answer
    x = 12,291.95

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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.