Home / 20,802.05-31,162.01-13,760.76

Finding the Fourth Proportional to 20,802.05, 31,162.01 and 13,760.76

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Solution

The fourth proportional to 20,802.05, 31,162.01 and 13,760.76 is: 20,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.05 : 31,162.01 = 13,760.76 : x
  2. Step 2: Convert to fraction form
    20,802.05/31,162.01 = 13,760.76/x
  3. Step 3: Cross multiply
    20,802.05x = 31,162.01 × 13,760.76
  4. Step 4: Simplify right side
    20,802.05x = 428,812,871.92
  5. Step 5: Solve for x
    x = 428,812,871.92/20,802.05
  6. Step 6: Final answer
    x = 20,613.98

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