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Finding the Fourth Proportional to 25,314.78, 37,983.10 and 9,728.76

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Solution

The fourth proportional to 25,314.78, 37,983.10 and 9,728.76 is: 14,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.78 : 37,983.10 = 9,728.76 : x
  2. Step 2: Convert to fraction form
    25,314.78/37,983.10 = 9,728.76/x
  3. Step 3: Cross multiply
    25,314.78x = 37,983.10 × 9,728.76
  4. Step 4: Simplify right side
    25,314.78x = 369,528,463.96
  5. Step 5: Solve for x
    x = 369,528,463.96/25,314.78
  6. Step 6: Final answer
    x = 14,597.34

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