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Finding the Fourth Proportional to 18,587.58, 27,879.21 and 6,275.58

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Solution

The fourth proportional to 18,587.58, 27,879.21 and 6,275.58 is: 9,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.58 : 27,879.21 = 6,275.58 : x
  2. Step 2: Convert to fraction form
    18,587.58/27,879.21 = 6,275.58/x
  3. Step 3: Cross multiply
    18,587.58x = 27,879.21 × 6,275.58
  4. Step 4: Simplify right side
    18,587.58x = 174,958,212.69
  5. Step 5: Solve for x
    x = 174,958,212.69/18,587.58
  6. Step 6: Final answer
    x = 9,412.64

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