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Finding the Fourth Proportional to 21,975.59, 32,967.47 and 7,185.29

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Solution

The fourth proportional to 21,975.59, 32,967.47 and 7,185.29 is: 10,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.59 : 32,967.47 = 7,185.29 : x
  2. Step 2: Convert to fraction form
    21,975.59/32,967.47 = 7,185.29/x
  3. Step 3: Cross multiply
    21,975.59x = 32,967.47 × 7,185.29
  4. Step 4: Simplify right side
    21,975.59x = 236,880,631.75
  5. Step 5: Solve for x
    x = 236,880,631.75/21,975.59
  6. Step 6: Final answer
    x = 10,779.26

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