Home / 86,831.38-130,247.16-27,667

Finding the Fourth Proportional to 86,831.38, 130,247.16 and 27,667

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Solution

The fourth proportional to 86,831.38, 130,247.16 and 27,667 is: 41,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831.38 : 130,247.16 = 27,667 : x
  2. Step 2: Convert to fraction form
    86,831.38/130,247.16 = 27,667/x
  3. Step 3: Cross multiply
    86,831.38x = 130,247.16 × 27,667
  4. Step 4: Simplify right side
    86,831.38x = 3,603,548,175.72
  5. Step 5: Solve for x
    x = 3,603,548,175.72/86,831.38
  6. Step 6: Final answer
    x = 41,500.53

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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.