Home / 27,915.91-41,845.82-13,854.31

Finding the Fourth Proportional to 27,915.91, 41,845.82 and 13,854.31

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Solution

The fourth proportional to 27,915.91, 41,845.82 and 13,854.31 is: 20,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.91 : 41,845.82 = 13,854.31 : x
  2. Step 2: Convert to fraction form
    27,915.91/41,845.82 = 13,854.31/x
  3. Step 3: Cross multiply
    27,915.91x = 41,845.82 × 13,854.31
  4. Step 4: Simplify right side
    27,915.91x = 579,744,788.60
  5. Step 5: Solve for x
    x = 579,744,788.60/27,915.91
  6. Step 6: Final answer
    x = 20,767.54

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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.