Home / 27,850.86-41,784.96-9,131.04

Finding the Fourth Proportional to 27,850.86, 41,784.96 and 9,131.04

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Solution

The fourth proportional to 27,850.86, 41,784.96 and 9,131.04 is: 13,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.86 : 41,784.96 = 9,131.04 : x
  2. Step 2: Convert to fraction form
    27,850.86/41,784.96 = 9,131.04/x
  3. Step 3: Cross multiply
    27,850.86x = 41,784.96 × 9,131.04
  4. Step 4: Simplify right side
    27,850.86x = 381,540,141.16
  5. Step 5: Solve for x
    x = 381,540,141.16/27,850.86
  6. Step 6: Final answer
    x = 13,699.40

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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.