Home / 21,726.81-29,985.51-13,233.91

Finding the Fourth Proportional to 21,726.81, 29,985.51 and 13,233.91

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Solution

The fourth proportional to 21,726.81, 29,985.51 and 13,233.91 is: 18,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.81 : 29,985.51 = 13,233.91 : x
  2. Step 2: Convert to fraction form
    21,726.81/29,985.51 = 13,233.91/x
  3. Step 3: Cross multiply
    21,726.81x = 29,985.51 × 13,233.91
  4. Step 4: Simplify right side
    21,726.81x = 396,825,540.64
  5. Step 5: Solve for x
    x = 396,825,540.64/21,726.81
  6. Step 6: Final answer
    x = 18,264.33

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