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Finding the Fourth Proportional to 53,142.72, 79,662.24 and 25,460.16

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Solution

The fourth proportional to 53,142.72, 79,662.24 and 25,460.16 is: 38,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142.72 : 79,662.24 = 25,460.16 : x
  2. Step 2: Convert to fraction form
    53,142.72/79,662.24 = 25,460.16/x
  3. Step 3: Cross multiply
    53,142.72x = 79,662.24 × 25,460.16
  4. Step 4: Simplify right side
    53,142.72x = 2,028,213,376.36
  5. Step 5: Solve for x
    x = 2,028,213,376.36/53,142.72
  6. Step 6: Final answer
    x = 38,165.40

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