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Finding the Fourth Proportional to 29,143.77, 43,721.33 and 10,425.21

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Solution

The fourth proportional to 29,143.77, 43,721.33 and 10,425.21 is: 15,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.77 : 43,721.33 = 10,425.21 : x
  2. Step 2: Convert to fraction form
    29,143.77/43,721.33 = 10,425.21/x
  3. Step 3: Cross multiply
    29,143.77x = 43,721.33 × 10,425.21
  4. Step 4: Simplify right side
    29,143.77x = 455,803,994.60
  5. Step 5: Solve for x
    x = 455,803,994.60/29,143.77
  6. Step 6: Final answer
    x = 15,639.84

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