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Finding the Fourth Proportional to 21,655.71, 32,452.46 and 12,750.01

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Solution

The fourth proportional to 21,655.71, 32,452.46 and 12,750.01 is: 19,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.71 : 32,452.46 = 12,750.01 : x
  2. Step 2: Convert to fraction form
    21,655.71/32,452.46 = 12,750.01/x
  3. Step 3: Cross multiply
    21,655.71x = 32,452.46 × 12,750.01
  4. Step 4: Simplify right side
    21,655.71x = 413,769,164.17
  5. Step 5: Solve for x
    x = 413,769,164.17/21,655.71
  6. Step 6: Final answer
    x = 19,106.70

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