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Finding the Fourth Proportional to 38,570.33, 57,862.80 and 13,607.55

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Solution

The fourth proportional to 38,570.33, 57,862.80 and 13,607.55 is: 20,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.33 : 57,862.80 = 13,607.55 : x
  2. Step 2: Convert to fraction form
    38,570.33/57,862.80 = 13,607.55/x
  3. Step 3: Cross multiply
    38,570.33x = 57,862.80 × 13,607.55
  4. Step 4: Simplify right side
    38,570.33x = 787,370,944.14
  5. Step 5: Solve for x
    x = 787,370,944.14/38,570.33
  6. Step 6: Final answer
    x = 20,413.90

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