Home / 21,171.75-31,762.97-14,943.93

Finding the Fourth Proportional to 21,171.75, 31,762.97 and 14,943.93

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Solution

The fourth proportional to 21,171.75, 31,762.97 and 14,943.93 is: 22,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,171.75 : 31,762.97 = 14,943.93 : x
  2. Step 2: Convert to fraction form
    21,171.75/31,762.97 = 14,943.93/x
  3. Step 3: Cross multiply
    21,171.75x = 31,762.97 × 14,943.93
  4. Step 4: Simplify right side
    21,171.75x = 474,663,366.74
  5. Step 5: Solve for x
    x = 474,663,366.74/21,171.75
  6. Step 6: Final answer
    x = 22,419.66

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