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Finding the Fourth Proportional to 55,413.28, 83,119.74 and 15,970.60

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Solution

The fourth proportional to 55,413.28, 83,119.74 and 15,970.60 is: 23,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.28 : 83,119.74 = 15,970.60 : x
  2. Step 2: Convert to fraction form
    55,413.28/83,119.74 = 15,970.60/x
  3. Step 3: Cross multiply
    55,413.28x = 83,119.74 × 15,970.60
  4. Step 4: Simplify right side
    55,413.28x = 1,327,472,119.64
  5. Step 5: Solve for x
    x = 1,327,472,119.64/55,413.28
  6. Step 6: Final answer
    x = 23,955.85

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