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Finding the Fourth Proportional to 25,579.80, 38,318.61 and 20,323.71

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Solution

The fourth proportional to 25,579.80, 38,318.61 and 20,323.71 is: 30,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.80 : 38,318.61 = 20,323.71 : x
  2. Step 2: Convert to fraction form
    25,579.80/38,318.61 = 20,323.71/x
  3. Step 3: Cross multiply
    25,579.80x = 38,318.61 × 20,323.71
  4. Step 4: Simplify right side
    25,579.80x = 778,776,317.24
  5. Step 5: Solve for x
    x = 778,776,317.24/25,579.80
  6. Step 6: Final answer
    x = 30,444.97

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