Home / 21,227.67-31,845.35-17,313.62

Finding the Fourth Proportional to 21,227.67, 31,845.35 and 17,313.62

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Solution

The fourth proportional to 21,227.67, 31,845.35 and 17,313.62 is: 25,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.67 : 31,845.35 = 17,313.62 : x
  2. Step 2: Convert to fraction form
    21,227.67/31,845.35 = 17,313.62/x
  3. Step 3: Cross multiply
    21,227.67x = 31,845.35 × 17,313.62
  4. Step 4: Simplify right side
    21,227.67x = 551,358,042.87
  5. Step 5: Solve for x
    x = 551,358,042.87/21,227.67
  6. Step 6: Final answer
    x = 25,973.56

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1.5x scale

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.