Home / 21,998.27-33,003.54-7,217.58

Finding the Fourth Proportional to 21,998.27, 33,003.54 and 7,217.58

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Solution

The fourth proportional to 21,998.27, 33,003.54 and 7,217.58 is: 10,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.27 : 33,003.54 = 7,217.58 : x
  2. Step 2: Convert to fraction form
    21,998.27/33,003.54 = 7,217.58/x
  3. Step 3: Cross multiply
    21,998.27x = 33,003.54 × 7,217.58
  4. Step 4: Simplify right side
    21,998.27x = 238,205,690.23
  5. Step 5: Solve for x
    x = 238,205,690.23/21,998.27
  6. Step 6: Final answer
    x = 10,828.39

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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.