Home / 28,397.60-39,195.37-17,650.59

Finding the Fourth Proportional to 28,397.60, 39,195.37 and 17,650.59

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Solution

The fourth proportional to 28,397.60, 39,195.37 and 17,650.59 is: 24,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.60 : 39,195.37 = 17,650.59 : x
  2. Step 2: Convert to fraction form
    28,397.60/39,195.37 = 17,650.59/x
  3. Step 3: Cross multiply
    28,397.60x = 39,195.37 × 17,650.59
  4. Step 4: Simplify right side
    28,397.60x = 691,821,661.20
  5. Step 5: Solve for x
    x = 691,821,661.20/28,397.60
  6. Step 6: Final answer
    x = 24,361.97

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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.