Home / 21,996.30-32,994.45-19,922.70

Finding the Fourth Proportional to 21,996.30, 32,994.45 and 19,922.70

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Solution

The fourth proportional to 21,996.30, 32,994.45 and 19,922.70 is: 29,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.30 : 32,994.45 = 19,922.70 : x
  2. Step 2: Convert to fraction form
    21,996.30/32,994.45 = 19,922.70/x
  3. Step 3: Cross multiply
    21,996.30x = 32,994.45 × 19,922.70
  4. Step 4: Simplify right side
    21,996.30x = 657,338,529.02
  5. Step 5: Solve for x
    x = 657,338,529.02/21,996.30
  6. Step 6: Final answer
    x = 29,884.05

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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.