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Finding the Fourth Proportional to 72,905.25, 109,357.86 and 17,501.25

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Solution

The fourth proportional to 72,905.25, 109,357.86 and 17,501.25 is: 26,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.25 : 109,357.86 = 17,501.25 : x
  2. Step 2: Convert to fraction form
    72,905.25/109,357.86 = 17,501.25/x
  3. Step 3: Cross multiply
    72,905.25x = 109,357.86 × 17,501.25
  4. Step 4: Simplify right side
    72,905.25x = 1,913,899,247.33
  5. Step 5: Solve for x
    x = 1,913,899,247.33/72,905.25
  6. Step 6: Final answer
    x = 26,251.87

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