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Finding the Fourth Proportional to 70,228.20, 105,383.86 and 25,886.10

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Solution

The fourth proportional to 70,228.20, 105,383.86 and 25,886.10 is: 38,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,228.20 : 105,383.86 = 25,886.10 : x
  2. Step 2: Convert to fraction form
    70,228.20/105,383.86 = 25,886.10/x
  3. Step 3: Cross multiply
    70,228.20x = 105,383.86 × 25,886.10
  4. Step 4: Simplify right side
    70,228.20x = 2,727,977,138.35
  5. Step 5: Solve for x
    x = 2,727,977,138.35/70,228.20
  6. Step 6: Final answer
    x = 38,844.47

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