Home / 28,524.26-42,786.51-18,725.54

Finding the Fourth Proportional to 28,524.26, 42,786.51 and 18,725.54

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Solution

The fourth proportional to 28,524.26, 42,786.51 and 18,725.54 is: 28,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.26 : 42,786.51 = 18,725.54 : x
  2. Step 2: Convert to fraction form
    28,524.26/42,786.51 = 18,725.54/x
  3. Step 3: Cross multiply
    28,524.26x = 42,786.51 × 18,725.54
  4. Step 4: Simplify right side
    28,524.26x = 801,200,504.47
  5. Step 5: Solve for x
    x = 801,200,504.47/28,524.26
  6. Step 6: Final answer
    x = 28,088.39

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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.