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Finding the Fourth Proportional to 38,312.80, 57,420.52 and 17,230.32

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Solution

The fourth proportional to 38,312.80, 57,420.52 and 17,230.32 is: 25,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.80 : 57,420.52 = 17,230.32 : x
  2. Step 2: Convert to fraction form
    38,312.80/57,420.52 = 17,230.32/x
  3. Step 3: Cross multiply
    38,312.80x = 57,420.52 × 17,230.32
  4. Step 4: Simplify right side
    38,312.80x = 989,373,934.17
  5. Step 5: Solve for x
    x = 989,373,934.17/38,312.80
  6. Step 6: Final answer
    x = 25,823.59

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