Home / 31,726.56-43,782.66-18,980.28

Finding the Fourth Proportional to 31,726.56, 43,782.66 and 18,980.28

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Solution

The fourth proportional to 31,726.56, 43,782.66 and 18,980.28 is: 26,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.56 : 43,782.66 = 18,980.28 : x
  2. Step 2: Convert to fraction form
    31,726.56/43,782.66 = 18,980.28/x
  3. Step 3: Cross multiply
    31,726.56x = 43,782.66 × 18,980.28
  4. Step 4: Simplify right side
    31,726.56x = 831,007,145.94
  5. Step 5: Solve for x
    x = 831,007,145.94/31,726.56
  6. Step 6: Final answer
    x = 26,192.79

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