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Finding the Fourth Proportional to 27,291.72, 37,662.94 and 15,353.94

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Solution

The fourth proportional to 27,291.72, 37,662.94 and 15,353.94 is: 21,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.72 : 37,662.94 = 15,353.94 : x
  2. Step 2: Convert to fraction form
    27,291.72/37,662.94 = 15,353.94/x
  3. Step 3: Cross multiply
    27,291.72x = 37,662.94 × 15,353.94
  4. Step 4: Simplify right side
    27,291.72x = 578,274,520.98
  5. Step 5: Solve for x
    x = 578,274,520.98/27,291.72
  6. Step 6: Final answer
    x = 21,188.64

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