Home / 28,544.32-39,391.68-15,968.80

Finding the Fourth Proportional to 28,544.32, 39,391.68 and 15,968.80

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Solution

The fourth proportional to 28,544.32, 39,391.68 and 15,968.80 is: 22,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.32 : 39,391.68 = 15,968.80 : x
  2. Step 2: Convert to fraction form
    28,544.32/39,391.68 = 15,968.80/x
  3. Step 3: Cross multiply
    28,544.32x = 39,391.68 × 15,968.80
  4. Step 4: Simplify right side
    28,544.32x = 629,037,859.58
  5. Step 5: Solve for x
    x = 629,037,859.58/28,544.32
  6. Step 6: Final answer
    x = 22,037.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.