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Finding the Fourth Proportional to 20,272.92, 30,401.64 and 9,740.02

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Solution

The fourth proportional to 20,272.92, 30,401.64 and 9,740.02 is: 14,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.92 : 30,401.64 = 9,740.02 : x
  2. Step 2: Convert to fraction form
    20,272.92/30,401.64 = 9,740.02/x
  3. Step 3: Cross multiply
    20,272.92x = 30,401.64 × 9,740.02
  4. Step 4: Simplify right side
    20,272.92x = 296,112,581.63
  5. Step 5: Solve for x
    x = 296,112,581.63/20,272.92
  6. Step 6: Final answer
    x = 14,606.31

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