Home / 20,892.73-28,831.92-11,461.27

Finding the Fourth Proportional to 20,892.73, 28,831.92 and 11,461.27

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Solution

The fourth proportional to 20,892.73, 28,831.92 and 11,461.27 is: 15,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.73 : 28,831.92 = 11,461.27 : x
  2. Step 2: Convert to fraction form
    20,892.73/28,831.92 = 11,461.27/x
  3. Step 3: Cross multiply
    20,892.73x = 28,831.92 × 11,461.27
  4. Step 4: Simplify right side
    20,892.73x = 330,450,419.74
  5. Step 5: Solve for x
    x = 330,450,419.74/20,892.73
  6. Step 6: Final answer
    x = 15,816.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.