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Finding the Fourth Proportional to 25,854.76, 38,782.28 and 9,215.44

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Solution

The fourth proportional to 25,854.76, 38,782.28 and 9,215.44 is: 13,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.76 : 38,782.28 = 9,215.44 : x
  2. Step 2: Convert to fraction form
    25,854.76/38,782.28 = 9,215.44/x
  3. Step 3: Cross multiply
    25,854.76x = 38,782.28 × 9,215.44
  4. Step 4: Simplify right side
    25,854.76x = 357,395,774.40
  5. Step 5: Solve for x
    x = 357,395,774.40/25,854.76
  6. Step 6: Final answer
    x = 13,823.21

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