Home / 27,387.90-41,028.54-17,999.60

Finding the Fourth Proportional to 27,387.90, 41,028.54 and 17,999.60

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Solution

The fourth proportional to 27,387.90, 41,028.54 and 17,999.60 is: 26,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.90 : 41,028.54 = 17,999.60 : x
  2. Step 2: Convert to fraction form
    27,387.90/41,028.54 = 17,999.60/x
  3. Step 3: Cross multiply
    27,387.90x = 41,028.54 × 17,999.60
  4. Step 4: Simplify right side
    27,387.90x = 738,497,103.44
  5. Step 5: Solve for x
    x = 738,497,103.44/27,387.90
  6. Step 6: Final answer
    x = 26,964.36

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1.5x scale

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.