Home / 18,944.33-28,411.20-5,620.23

Finding the Fourth Proportional to 18,944.33, 28,411.20 and 5,620.23

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Solution

The fourth proportional to 18,944.33, 28,411.20 and 5,620.23 is: 8,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.33 : 28,411.20 = 5,620.23 : x
  2. Step 2: Convert to fraction form
    18,944.33/28,411.20 = 5,620.23/x
  3. Step 3: Cross multiply
    18,944.33x = 28,411.20 × 5,620.23
  4. Step 4: Simplify right side
    18,944.33x = 159,677,478.58
  5. Step 5: Solve for x
    x = 159,677,478.58/18,944.33
  6. Step 6: Final answer
    x = 8,428.78

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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.