Home / 27,749.96-38,299.47-20,627.18

Finding the Fourth Proportional to 27,749.96, 38,299.47 and 20,627.18

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Solution

The fourth proportional to 27,749.96, 38,299.47 and 20,627.18 is: 28,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.96 : 38,299.47 = 20,627.18 : x
  2. Step 2: Convert to fraction form
    27,749.96/38,299.47 = 20,627.18/x
  3. Step 3: Cross multiply
    27,749.96x = 38,299.47 × 20,627.18
  4. Step 4: Simplify right side
    27,749.96x = 790,009,831.42
  5. Step 5: Solve for x
    x = 790,009,831.42/27,749.96
  6. Step 6: Final answer
    x = 28,468.86

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