Home / 22,252.80-33,330.60-19,790.40

Finding the Fourth Proportional to 22,252.80, 33,330.60 and 19,790.40

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Solution

The fourth proportional to 22,252.80, 33,330.60 and 19,790.40 is: 29,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.80 : 33,330.60 = 19,790.40 : x
  2. Step 2: Convert to fraction form
    22,252.80/33,330.60 = 19,790.40/x
  3. Step 3: Cross multiply
    22,252.80x = 33,330.60 × 19,790.40
  4. Step 4: Simplify right side
    22,252.80x = 659,625,906.24
  5. Step 5: Solve for x
    x = 659,625,906.24/22,252.80
  6. Step 6: Final answer
    x = 29,642.38

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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.