Home / 28,942.80-43,414.20-21,944.40

Finding the Fourth Proportional to 28,942.80, 43,414.20 and 21,944.40

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Solution

The fourth proportional to 28,942.80, 43,414.20 and 21,944.40 is: 32,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.80 : 43,414.20 = 21,944.40 : x
  2. Step 2: Convert to fraction form
    28,942.80/43,414.20 = 21,944.40/x
  3. Step 3: Cross multiply
    28,942.80x = 43,414.20 × 21,944.40
  4. Step 4: Simplify right side
    28,942.80x = 952,698,570.48
  5. Step 5: Solve for x
    x = 952,698,570.48/28,942.80
  6. Step 6: Final answer
    x = 32,916.60

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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.