Home / 27,831.77-41,770.21-13,791.23

Finding the Fourth Proportional to 27,831.77, 41,770.21 and 13,791.23

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Solution

The fourth proportional to 27,831.77, 41,770.21 and 13,791.23 is: 20,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.77 : 41,770.21 = 13,791.23 : x
  2. Step 2: Convert to fraction form
    27,831.77/41,770.21 = 13,791.23/x
  3. Step 3: Cross multiply
    27,831.77x = 41,770.21 × 13,791.23
  4. Step 4: Simplify right side
    27,831.77x = 576,062,573.26
  5. Step 5: Solve for x
    x = 576,062,573.26/27,831.77
  6. Step 6: Final answer
    x = 20,698.02

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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.