Home / 27,638.75-41,457.94-7,917.38

Finding the Fourth Proportional to 27,638.75, 41,457.94 and 7,917.38

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Solution

The fourth proportional to 27,638.75, 41,457.94 and 7,917.38 is: 11,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.75 : 41,457.94 = 7,917.38 : x
  2. Step 2: Convert to fraction form
    27,638.75/41,457.94 = 7,917.38/x
  3. Step 3: Cross multiply
    27,638.75x = 41,457.94 × 7,917.38
  4. Step 4: Simplify right side
    27,638.75x = 328,238,265.00
  5. Step 5: Solve for x
    x = 328,238,265.00/27,638.75
  6. Step 6: Final answer
    x = 11,876.02

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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.