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Finding the Fourth Proportional to 25,853.59, 38,784.05 and 8,319.34

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Solution

The fourth proportional to 25,853.59, 38,784.05 and 8,319.34 is: 12,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.59 : 38,784.05 = 8,319.34 : x
  2. Step 2: Convert to fraction form
    25,853.59/38,784.05 = 8,319.34/x
  3. Step 3: Cross multiply
    25,853.59x = 38,784.05 × 8,319.34
  4. Step 4: Simplify right side
    25,853.59x = 322,657,698.53
  5. Step 5: Solve for x
    x = 322,657,698.53/25,853.59
  6. Step 6: Final answer
    x = 12,480.19

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