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Finding the Fourth Proportional to 25,770.94, 38,655.90 and 8,240.76

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Solution

The fourth proportional to 25,770.94, 38,655.90 and 8,240.76 is: 12,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.94 : 38,655.90 = 8,240.76 : x
  2. Step 2: Convert to fraction form
    25,770.94/38,655.90 = 8,240.76/x
  3. Step 3: Cross multiply
    25,770.94x = 38,655.90 × 8,240.76
  4. Step 4: Simplify right side
    25,770.94x = 318,553,994.48
  5. Step 5: Solve for x
    x = 318,553,994.48/25,770.94
  6. Step 6: Final answer
    x = 12,360.98

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