Home / 18,628.92-27,905.04-9,845.28

Finding the Fourth Proportional to 18,628.92, 27,905.04 and 9,845.28

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Solution

The fourth proportional to 18,628.92, 27,905.04 and 9,845.28 is: 14,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.92 : 27,905.04 = 9,845.28 : x
  2. Step 2: Convert to fraction form
    18,628.92/27,905.04 = 9,845.28/x
  3. Step 3: Cross multiply
    18,628.92x = 27,905.04 × 9,845.28
  4. Step 4: Simplify right side
    18,628.92x = 274,732,932.21
  5. Step 5: Solve for x
    x = 274,732,932.21/18,628.92
  6. Step 6: Final answer
    x = 14,747.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.