Home / 28,600.26-42,852.97-20,238.83

Finding the Fourth Proportional to 28,600.26, 42,852.97 and 20,238.83

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Solution

The fourth proportional to 28,600.26, 42,852.97 and 20,238.83 is: 30,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.26 : 42,852.97 = 20,238.83 : x
  2. Step 2: Convert to fraction form
    28,600.26/42,852.97 = 20,238.83/x
  3. Step 3: Cross multiply
    28,600.26x = 42,852.97 × 20,238.83
  4. Step 4: Simplify right side
    28,600.26x = 867,293,974.83
  5. Step 5: Solve for x
    x = 867,293,974.83/28,600.26
  6. Step 6: Final answer
    x = 30,324.69

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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.