Home / 25,831.12-38,742.12-7,106.63

Finding the Fourth Proportional to 25,831.12, 38,742.12 and 7,106.63

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Solution

The fourth proportional to 25,831.12, 38,742.12 and 7,106.63 is: 10,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.12 : 38,742.12 = 7,106.63 : x
  2. Step 2: Convert to fraction form
    25,831.12/38,742.12 = 7,106.63/x
  3. Step 3: Cross multiply
    25,831.12x = 38,742.12 × 7,106.63
  4. Step 4: Simplify right side
    25,831.12x = 275,325,912.26
  5. Step 5: Solve for x
    x = 275,325,912.26/25,831.12
  6. Step 6: Final answer
    x = 10,658.69

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