Home / 22,215.00-33,180.64-20,103.36

Finding the Fourth Proportional to 22,215.00, 33,180.64 and 20,103.36

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Solution

The fourth proportional to 22,215.00, 33,180.64 and 20,103.36 is: 30,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.00 : 33,180.64 = 20,103.36 : x
  2. Step 2: Convert to fraction form
    22,215.00/33,180.64 = 20,103.36/x
  3. Step 3: Cross multiply
    22,215.00x = 33,180.64 × 20,103.36
  4. Step 4: Simplify right side
    22,215.00x = 667,042,176.26
  5. Step 5: Solve for x
    x = 667,042,176.26/22,215.00
  6. Step 6: Final answer
    x = 30,026.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.