Home / 25,333.20-37,999.80-12,891.60

Finding the Fourth Proportional to 25,333.20, 37,999.80 and 12,891.60

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Solution

The fourth proportional to 25,333.20, 37,999.80 and 12,891.60 is: 19,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,333.20 : 37,999.80 = 12,891.60 : x
  2. Step 2: Convert to fraction form
    25,333.20/37,999.80 = 12,891.60/x
  3. Step 3: Cross multiply
    25,333.20x = 37,999.80 × 12,891.60
  4. Step 4: Simplify right side
    25,333.20x = 489,878,221.68
  5. Step 5: Solve for x
    x = 489,878,221.68/25,333.20
  6. Step 6: Final answer
    x = 19,337.40

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