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Finding the Fourth Proportional to 25,117.96, 37,697.64 and 12,641.56

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Solution

The fourth proportional to 25,117.96, 37,697.64 and 12,641.56 is: 18,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.96 : 37,697.64 = 12,641.56 : x
  2. Step 2: Convert to fraction form
    25,117.96/37,697.64 = 12,641.56/x
  3. Step 3: Cross multiply
    25,117.96x = 37,697.64 × 12,641.56
  4. Step 4: Simplify right side
    25,117.96x = 476,556,977.92
  5. Step 5: Solve for x
    x = 476,556,977.92/25,117.96
  6. Step 6: Final answer
    x = 18,972.76

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