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Finding the Fourth Proportional to 27,112.51, 40,664.15 and 7,386.45

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Solution

The fourth proportional to 27,112.51, 40,664.15 and 7,386.45 is: 11,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.51 : 40,664.15 = 7,386.45 : x
  2. Step 2: Convert to fraction form
    27,112.51/40,664.15 = 7,386.45/x
  3. Step 3: Cross multiply
    27,112.51x = 40,664.15 × 7,386.45
  4. Step 4: Simplify right side
    27,112.51x = 300,363,710.77
  5. Step 5: Solve for x
    x = 300,363,710.77/27,112.51
  6. Step 6: Final answer
    x = 11,078.42

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