Home / 27,578.22-38,060.03-16,822.13

Finding the Fourth Proportional to 27,578.22, 38,060.03 and 16,822.13

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Solution

The fourth proportional to 27,578.22, 38,060.03 and 16,822.13 is: 23,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.22 : 38,060.03 = 16,822.13 : x
  2. Step 2: Convert to fraction form
    27,578.22/38,060.03 = 16,822.13/x
  3. Step 3: Cross multiply
    27,578.22x = 38,060.03 × 16,822.13
  4. Step 4: Simplify right side
    27,578.22x = 640,250,743.68
  5. Step 5: Solve for x
    x = 640,250,743.68/27,578.22
  6. Step 6: Final answer
    x = 23,215.81

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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.