Home / 27,458.13-41,187.42-17,978.44

Finding the Fourth Proportional to 27,458.13, 41,187.42 and 17,978.44

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Solution

The fourth proportional to 27,458.13, 41,187.42 and 17,978.44 is: 26,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.13 : 41,187.42 = 17,978.44 : x
  2. Step 2: Convert to fraction form
    27,458.13/41,187.42 = 17,978.44/x
  3. Step 3: Cross multiply
    27,458.13x = 41,187.42 × 17,978.44
  4. Step 4: Simplify right side
    27,458.13x = 740,485,469.33
  5. Step 5: Solve for x
    x = 740,485,469.33/27,458.13
  6. Step 6: Final answer
    x = 26,967.80

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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.