Home / 27,842.60-41,778.26-18,489.08

Finding the Fourth Proportional to 27,842.60, 41,778.26 and 18,489.08

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Solution

The fourth proportional to 27,842.60, 41,778.26 and 18,489.08 is: 27,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.60 : 41,778.26 = 18,489.08 : x
  2. Step 2: Convert to fraction form
    27,842.60/41,778.26 = 18,489.08/x
  3. Step 3: Cross multiply
    27,842.60x = 41,778.26 × 18,489.08
  4. Step 4: Simplify right side
    27,842.60x = 772,441,290.06
  5. Step 5: Solve for x
    x = 772,441,290.06/27,842.60
  6. Step 6: Final answer
    x = 27,743.15

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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.