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Finding the Fourth Proportional to 25,216.70, 37,830.66 and 7,687.89

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Solution

The fourth proportional to 25,216.70, 37,830.66 and 7,687.89 is: 11,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.70 : 37,830.66 = 7,687.89 : x
  2. Step 2: Convert to fraction form
    25,216.70/37,830.66 = 7,687.89/x
  3. Step 3: Cross multiply
    25,216.70x = 37,830.66 × 7,687.89
  4. Step 4: Simplify right side
    25,216.70x = 290,837,923.88
  5. Step 5: Solve for x
    x = 290,837,923.88/25,216.70
  6. Step 6: Final answer
    x = 11,533.55

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