Home / 20,227.16-27,913.43-11,274.57

Finding the Fourth Proportional to 20,227.16, 27,913.43 and 11,274.57

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Solution

The fourth proportional to 20,227.16, 27,913.43 and 11,274.57 is: 15,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.16 : 27,913.43 = 11,274.57 : x
  2. Step 2: Convert to fraction form
    20,227.16/27,913.43 = 11,274.57/x
  3. Step 3: Cross multiply
    20,227.16x = 27,913.43 × 11,274.57
  4. Step 4: Simplify right side
    20,227.16x = 314,711,864.10
  5. Step 5: Solve for x
    x = 314,711,864.10/20,227.16
  6. Step 6: Final answer
    x = 15,558.88

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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.