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Finding the Fourth Proportional to 35,891.60, 53,815.80 and 18,395.60

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Solution

The fourth proportional to 35,891.60, 53,815.80 and 18,395.60 is: 27,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.60 : 53,815.80 = 18,395.60 : x
  2. Step 2: Convert to fraction form
    35,891.60/53,815.80 = 18,395.60/x
  3. Step 3: Cross multiply
    35,891.60x = 53,815.80 × 18,395.60
  4. Step 4: Simplify right side
    35,891.60x = 989,973,930.48
  5. Step 5: Solve for x
    x = 989,973,930.48/35,891.60
  6. Step 6: Final answer
    x = 27,582.33

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