Home / 27,430.96-41,142.22-8,708.54

Finding the Fourth Proportional to 27,430.96, 41,142.22 and 8,708.54

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Solution

The fourth proportional to 27,430.96, 41,142.22 and 8,708.54 is: 13,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.96 : 41,142.22 = 8,708.54 : x
  2. Step 2: Convert to fraction form
    27,430.96/41,142.22 = 8,708.54/x
  3. Step 3: Cross multiply
    27,430.96x = 41,142.22 × 8,708.54
  4. Step 4: Simplify right side
    27,430.96x = 358,288,668.56
  5. Step 5: Solve for x
    x = 358,288,668.56/27,430.96
  6. Step 6: Final answer
    x = 13,061.47

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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.