Home / 18,428.57-27,645.60-5,944.49

Finding the Fourth Proportional to 18,428.57, 27,645.60 and 5,944.49

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Solution

The fourth proportional to 18,428.57, 27,645.60 and 5,944.49 is: 8,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.57 : 27,645.60 = 5,944.49 : x
  2. Step 2: Convert to fraction form
    18,428.57/27,645.60 = 5,944.49/x
  3. Step 3: Cross multiply
    18,428.57x = 27,645.60 × 5,944.49
  4. Step 4: Simplify right side
    18,428.57x = 164,338,992.74
  5. Step 5: Solve for x
    x = 164,338,992.74/18,428.57
  6. Step 6: Final answer
    x = 8,917.62

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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.