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Finding the Fourth Proportional to 33,831.78, 50,707.87 and 13,828.93

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Solution

The fourth proportional to 33,831.78, 50,707.87 and 13,828.93 is: 20,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.78 : 50,707.87 = 13,828.93 : x
  2. Step 2: Convert to fraction form
    33,831.78/50,707.87 = 13,828.93/x
  3. Step 3: Cross multiply
    33,831.78x = 50,707.87 × 13,828.93
  4. Step 4: Simplify right side
    33,831.78x = 701,235,423.34
  5. Step 5: Solve for x
    x = 701,235,423.34/33,831.78
  6. Step 6: Final answer
    x = 20,727.12

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