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Finding the Fourth Proportional to 38,843.40, 58,226.70 and 15,438.60

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Solution

The fourth proportional to 38,843.40, 58,226.70 and 15,438.60 is: 23,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.40 : 58,226.70 = 15,438.60 : x
  2. Step 2: Convert to fraction form
    38,843.40/58,226.70 = 15,438.60/x
  3. Step 3: Cross multiply
    38,843.40x = 58,226.70 × 15,438.60
  4. Step 4: Simplify right side
    38,843.40x = 898,938,730.62
  5. Step 5: Solve for x
    x = 898,938,730.62/38,843.40
  6. Step 6: Final answer
    x = 23,142.64

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