Home / 28,727.78-39,646.71-15,983.36

Finding the Fourth Proportional to 28,727.78, 39,646.71 and 15,983.36

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Solution

The fourth proportional to 28,727.78, 39,646.71 and 15,983.36 is: 22,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.78 : 39,646.71 = 15,983.36 : x
  2. Step 2: Convert to fraction form
    28,727.78/39,646.71 = 15,983.36/x
  3. Step 3: Cross multiply
    28,727.78x = 39,646.71 × 15,983.36
  4. Step 4: Simplify right side
    28,727.78x = 633,687,440.51
  5. Step 5: Solve for x
    x = 633,687,440.51/28,727.78
  6. Step 6: Final answer
    x = 22,058.35

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