Home / 27,370.22-37,781.17-17,939.39

Finding the Fourth Proportional to 27,370.22, 37,781.17 and 17,939.39

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Solution

The fourth proportional to 27,370.22, 37,781.17 and 17,939.39 is: 24,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.22 : 37,781.17 = 17,939.39 : x
  2. Step 2: Convert to fraction form
    27,370.22/37,781.17 = 17,939.39/x
  3. Step 3: Cross multiply
    27,370.22x = 37,781.17 × 17,939.39
  4. Step 4: Simplify right side
    27,370.22x = 677,770,909.53
  5. Step 5: Solve for x
    x = 677,770,909.53/27,370.22
  6. Step 6: Final answer
    x = 24,763.08

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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.