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Finding the Fourth Proportional to 25,779.28, 35,572.24 and 15,704.07

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Solution

The fourth proportional to 25,779.28, 35,572.24 and 15,704.07 is: 21,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.28 : 35,572.24 = 15,704.07 : x
  2. Step 2: Convert to fraction form
    25,779.28/35,572.24 = 15,704.07/x
  3. Step 3: Cross multiply
    25,779.28x = 35,572.24 × 15,704.07
  4. Step 4: Simplify right side
    25,779.28x = 558,628,690.64
  5. Step 5: Solve for x
    x = 558,628,690.64/25,779.28
  6. Step 6: Final answer
    x = 21,669.68

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