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Finding the Fourth Proportional to 25,930.02, 35,784.15 and 15,858.28

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Solution

The fourth proportional to 25,930.02, 35,784.15 and 15,858.28 is: 21,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.02 : 35,784.15 = 15,858.28 : x
  2. Step 2: Convert to fraction form
    25,930.02/35,784.15 = 15,858.28/x
  3. Step 3: Cross multiply
    25,930.02x = 35,784.15 × 15,858.28
  4. Step 4: Simplify right side
    25,930.02x = 567,475,055.52
  5. Step 5: Solve for x
    x = 567,475,055.52/25,930.02
  6. Step 6: Final answer
    x = 21,884.86

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