Home / 27,861.44-38,456.16-17,245.12

Finding the Fourth Proportional to 27,861.44, 38,456.16 and 17,245.12

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Solution

The fourth proportional to 27,861.44, 38,456.16 and 17,245.12 is: 23,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.44 : 38,456.16 = 17,245.12 : x
  2. Step 2: Convert to fraction form
    27,861.44/38,456.16 = 17,245.12/x
  3. Step 3: Cross multiply
    27,861.44x = 38,456.16 × 17,245.12
  4. Step 4: Simplify right side
    27,861.44x = 663,181,093.94
  5. Step 5: Solve for x
    x = 663,181,093.94/27,861.44
  6. Step 6: Final answer
    x = 23,802.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.