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Finding the Fourth Proportional to 25,161.42, 37,739.70 and 7,631.40

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Solution

The fourth proportional to 25,161.42, 37,739.70 and 7,631.40 is: 11,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.42 : 37,739.70 = 7,631.40 : x
  2. Step 2: Convert to fraction form
    25,161.42/37,739.70 = 7,631.40/x
  3. Step 3: Cross multiply
    25,161.42x = 37,739.70 × 7,631.40
  4. Step 4: Simplify right side
    25,161.42x = 288,006,746.58
  5. Step 5: Solve for x
    x = 288,006,746.58/25,161.42
  6. Step 6: Final answer
    x = 11,446.36

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