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Finding the Fourth Proportional to 21,794.12, 30,018.60 and 16,748.68

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Solution

The fourth proportional to 21,794.12, 30,018.60 and 16,748.68 is: 23,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.12 : 30,018.60 = 16,748.68 : x
  2. Step 2: Convert to fraction form
    21,794.12/30,018.60 = 16,748.68/x
  3. Step 3: Cross multiply
    21,794.12x = 30,018.60 × 16,748.68
  4. Step 4: Simplify right side
    21,794.12x = 502,771,879.23
  5. Step 5: Solve for x
    x = 502,771,879.23/21,794.12
  6. Step 6: Final answer
    x = 23,069.15

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