Home / 22,429.70-33,608.10-18,711.80

Finding the Fourth Proportional to 22,429.70, 33,608.10 and 18,711.80

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Solution

The fourth proportional to 22,429.70, 33,608.10 and 18,711.80 is: 28,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.70 : 33,608.10 = 18,711.80 : x
  2. Step 2: Convert to fraction form
    22,429.70/33,608.10 = 18,711.80/x
  3. Step 3: Cross multiply
    22,429.70x = 33,608.10 × 18,711.80
  4. Step 4: Simplify right side
    22,429.70x = 628,868,045.58
  5. Step 5: Solve for x
    x = 628,868,045.58/22,429.70
  6. Step 6: Final answer
    x = 28,037.29

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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.