Home / 20,290.44-28,018.62-12,749.84

Finding the Fourth Proportional to 20,290.44, 28,018.62 and 12,749.84

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Solution

The fourth proportional to 20,290.44, 28,018.62 and 12,749.84 is: 17,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290.44 : 28,018.62 = 12,749.84 : x
  2. Step 2: Convert to fraction form
    20,290.44/28,018.62 = 12,749.84/x
  3. Step 3: Cross multiply
    20,290.44x = 28,018.62 × 12,749.84
  4. Step 4: Simplify right side
    20,290.44x = 357,232,781.93
  5. Step 5: Solve for x
    x = 357,232,781.93/20,290.44
  6. Step 6: Final answer
    x = 17,605.97

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