Home / 21,995.34-33,022.98-19,029.12

Finding the Fourth Proportional to 21,995.34, 33,022.98 and 19,029.12

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Solution

The fourth proportional to 21,995.34, 33,022.98 and 19,029.12 is: 28,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.34 : 33,022.98 = 19,029.12 : x
  2. Step 2: Convert to fraction form
    21,995.34/33,022.98 = 19,029.12/x
  3. Step 3: Cross multiply
    21,995.34x = 33,022.98 × 19,029.12
  4. Step 4: Simplify right side
    21,995.34x = 628,398,249.18
  5. Step 5: Solve for x
    x = 628,398,249.18/21,995.34
  6. Step 6: Final answer
    x = 28,569.61

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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.