Home / 28,786.94-43,099.75-21,744.80

Finding the Fourth Proportional to 28,786.94, 43,099.75 and 21,744.80

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Solution

The fourth proportional to 28,786.94, 43,099.75 and 21,744.80 is: 32,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.94 : 43,099.75 = 21,744.80 : x
  2. Step 2: Convert to fraction form
    28,786.94/43,099.75 = 21,744.80/x
  3. Step 3: Cross multiply
    28,786.94x = 43,099.75 × 21,744.80
  4. Step 4: Simplify right side
    28,786.94x = 937,195,443.80
  5. Step 5: Solve for x
    x = 937,195,443.80/28,786.94
  6. Step 6: Final answer
    x = 32,556.27

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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.