Home / 27,983.76-38,617.56-15,408.48

Finding the Fourth Proportional to 27,983.76, 38,617.56 and 15,408.48

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Solution

The fourth proportional to 27,983.76, 38,617.56 and 15,408.48 is: 21,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.76 : 38,617.56 = 15,408.48 : x
  2. Step 2: Convert to fraction form
    27,983.76/38,617.56 = 15,408.48/x
  3. Step 3: Cross multiply
    27,983.76x = 38,617.56 × 15,408.48
  4. Step 4: Simplify right side
    27,983.76x = 595,037,900.91
  5. Step 5: Solve for x
    x = 595,037,900.91/27,983.76
  6. Step 6: Final answer
    x = 21,263.69

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