Home / 20,243.33-27,914.59-17,420.27

Finding the Fourth Proportional to 20,243.33, 27,914.59 and 17,420.27

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Solution

The fourth proportional to 20,243.33, 27,914.59 and 17,420.27 is: 24,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.33 : 27,914.59 = 17,420.27 : x
  2. Step 2: Convert to fraction form
    20,243.33/27,914.59 = 17,420.27/x
  3. Step 3: Cross multiply
    20,243.33x = 27,914.59 × 17,420.27
  4. Step 4: Simplify right side
    20,243.33x = 486,279,694.74
  5. Step 5: Solve for x
    x = 486,279,694.74/20,243.33
  6. Step 6: Final answer
    x = 24,021.73

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1.5x scale

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.