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Finding the Fourth Proportional to 25,255.02, 37,886.79 and 7,720.75

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Solution

The fourth proportional to 25,255.02, 37,886.79 and 7,720.75 is: 11,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.02 : 37,886.79 = 7,720.75 : x
  2. Step 2: Convert to fraction form
    25,255.02/37,886.79 = 7,720.75/x
  3. Step 3: Cross multiply
    25,255.02x = 37,886.79 × 7,720.75
  4. Step 4: Simplify right side
    25,255.02x = 292,514,433.89
  5. Step 5: Solve for x
    x = 292,514,433.89/25,255.02
  6. Step 6: Final answer
    x = 11,582.43

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