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Finding the Fourth Proportional to 21,974.34, 32,965.29 and 7,181.58

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Solution

The fourth proportional to 21,974.34, 32,965.29 and 7,181.58 is: 10,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.34 : 32,965.29 = 7,181.58 : x
  2. Step 2: Convert to fraction form
    21,974.34/32,965.29 = 7,181.58/x
  3. Step 3: Cross multiply
    21,974.34x = 32,965.29 × 7,181.58
  4. Step 4: Simplify right side
    21,974.34x = 236,742,867.36
  5. Step 5: Solve for x
    x = 236,742,867.36/21,974.34
  6. Step 6: Final answer
    x = 10,773.61

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