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Finding the Fourth Proportional to 25,218.11, 37,824.73 and 7,688.09

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Solution

The fourth proportional to 25,218.11, 37,824.73 and 7,688.09 is: 11,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.11 : 37,824.73 = 7,688.09 : x
  2. Step 2: Convert to fraction form
    25,218.11/37,824.73 = 7,688.09/x
  3. Step 3: Cross multiply
    25,218.11x = 37,824.73 × 7,688.09
  4. Step 4: Simplify right side
    25,218.11x = 290,799,928.47
  5. Step 5: Solve for x
    x = 290,799,928.47/25,218.11
  6. Step 6: Final answer
    x = 11,531.39

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