Home / 18,982.68-28,435.74-15,893.54

Finding the Fourth Proportional to 18,982.68, 28,435.74 and 15,893.54

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Solution

The fourth proportional to 18,982.68, 28,435.74 and 15,893.54 is: 23,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.68 : 28,435.74 = 15,893.54 : x
  2. Step 2: Convert to fraction form
    18,982.68/28,435.74 = 15,893.54/x
  3. Step 3: Cross multiply
    18,982.68x = 28,435.74 × 15,893.54
  4. Step 4: Simplify right side
    18,982.68x = 451,944,428.94
  5. Step 5: Solve for x
    x = 451,944,428.94/18,982.68
  6. Step 6: Final answer
    x = 23,808.25

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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.