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Finding the Fourth Proportional to 27,064.14, 40,604.40 and 19,181.88

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Solution

The fourth proportional to 27,064.14, 40,604.40 and 19,181.88 is: 28,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064.14 : 40,604.40 = 19,181.88 : x
  2. Step 2: Convert to fraction form
    27,064.14/40,604.40 = 19,181.88/x
  3. Step 3: Cross multiply
    27,064.14x = 40,604.40 × 19,181.88
  4. Step 4: Simplify right side
    27,064.14x = 778,868,728.27
  5. Step 5: Solve for x
    x = 778,868,728.27/27,064.14
  6. Step 6: Final answer
    x = 28,778.62

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