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Finding the Fourth Proportional to 21,674.75, 32,512.13 and 5,258.75

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Solution

The fourth proportional to 21,674.75, 32,512.13 and 5,258.75 is: 7,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.75 : 32,512.13 = 5,258.75 : x
  2. Step 2: Convert to fraction form
    21,674.75/32,512.13 = 5,258.75/x
  3. Step 3: Cross multiply
    21,674.75x = 32,512.13 × 5,258.75
  4. Step 4: Simplify right side
    21,674.75x = 170,973,137.34
  5. Step 5: Solve for x
    x = 170,973,137.34/21,674.75
  6. Step 6: Final answer
    x = 7,888.13

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