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Finding the Fourth Proportional to 25,461.80, 38,204.16 and 13,761.32

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Solution

The fourth proportional to 25,461.80, 38,204.16 and 13,761.32 is: 20,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.80 : 38,204.16 = 13,761.32 : x
  2. Step 2: Convert to fraction form
    25,461.80/38,204.16 = 13,761.32/x
  3. Step 3: Cross multiply
    25,461.80x = 38,204.16 × 13,761.32
  4. Step 4: Simplify right side
    25,461.80x = 525,739,671.09
  5. Step 5: Solve for x
    x = 525,739,671.09/25,461.80
  6. Step 6: Final answer
    x = 20,648.17

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