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Finding the Fourth Proportional to 21,770.64, 32,631.12 and 10,059.12

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Solution

The fourth proportional to 21,770.64, 32,631.12 and 10,059.12 is: 15,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.64 : 32,631.12 = 10,059.12 : x
  2. Step 2: Convert to fraction form
    21,770.64/32,631.12 = 10,059.12/x
  3. Step 3: Cross multiply
    21,770.64x = 32,631.12 × 10,059.12
  4. Step 4: Simplify right side
    21,770.64x = 328,240,351.81
  5. Step 5: Solve for x
    x = 328,240,351.81/21,770.64
  6. Step 6: Final answer
    x = 15,077.20

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