Home / 27,831.12-38,406.72-15,255.84

Finding the Fourth Proportional to 27,831.12, 38,406.72 and 15,255.84

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Solution

The fourth proportional to 27,831.12, 38,406.72 and 15,255.84 is: 21,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.12 : 38,406.72 = 15,255.84 : x
  2. Step 2: Convert to fraction form
    27,831.12/38,406.72 = 15,255.84/x
  3. Step 3: Cross multiply
    27,831.12x = 38,406.72 × 15,255.84
  4. Step 4: Simplify right side
    27,831.12x = 585,926,775.24
  5. Step 5: Solve for x
    x = 585,926,775.24/27,831.12
  6. Step 6: Final answer
    x = 21,052.94

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