Home / 28,542.74-39,399.42-17,212.71

Finding the Fourth Proportional to 28,542.74, 39,399.42 and 17,212.71

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Solution

The fourth proportional to 28,542.74, 39,399.42 and 17,212.71 is: 23,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.74 : 39,399.42 = 17,212.71 : x
  2. Step 2: Convert to fraction form
    28,542.74/39,399.42 = 17,212.71/x
  3. Step 3: Cross multiply
    28,542.74x = 39,399.42 × 17,212.71
  4. Step 4: Simplify right side
    28,542.74x = 678,170,790.63
  5. Step 5: Solve for x
    x = 678,170,790.63/28,542.74
  6. Step 6: Final answer
    x = 23,759.83

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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.