Home / 27,561.92-41,316.40-8,831.68

Finding the Fourth Proportional to 27,561.92, 41,316.40 and 8,831.68

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Solution

The fourth proportional to 27,561.92, 41,316.40 and 8,831.68 is: 13,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.92 : 41,316.40 = 8,831.68 : x
  2. Step 2: Convert to fraction form
    27,561.92/41,316.40 = 8,831.68/x
  3. Step 3: Cross multiply
    27,561.92x = 41,316.40 × 8,831.68
  4. Step 4: Simplify right side
    27,561.92x = 364,893,223.55
  5. Step 5: Solve for x
    x = 364,893,223.55/27,561.92
  6. Step 6: Final answer
    x = 13,239.04

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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.