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Finding the Fourth Proportional to 28,946.27, 43,396.73 and 11,429.21

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Solution

The fourth proportional to 28,946.27, 43,396.73 and 11,429.21 is: 17,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.27 : 43,396.73 = 11,429.21 : x
  2. Step 2: Convert to fraction form
    28,946.27/43,396.73 = 11,429.21/x
  3. Step 3: Cross multiply
    28,946.27x = 43,396.73 × 11,429.21
  4. Step 4: Simplify right side
    28,946.27x = 495,990,283.34
  5. Step 5: Solve for x
    x = 495,990,283.34/28,946.27
  6. Step 6: Final answer
    x = 17,134.86

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