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Finding the Fourth Proportional to 25,820.52, 38,730.99 and 11,021.82

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Solution

The fourth proportional to 25,820.52, 38,730.99 and 11,021.82 is: 16,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.52 : 38,730.99 = 11,021.82 : x
  2. Step 2: Convert to fraction form
    25,820.52/38,730.99 = 11,021.82/x
  3. Step 3: Cross multiply
    25,820.52x = 38,730.99 × 11,021.82
  4. Step 4: Simplify right side
    25,820.52x = 426,886,000.20
  5. Step 5: Solve for x
    x = 426,886,000.20/25,820.52
  6. Step 6: Final answer
    x = 16,532.82

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