Home / 27,832.22-38,408.17-15,256.90

Finding the Fourth Proportional to 27,832.22, 38,408.17 and 15,256.90

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Solution

The fourth proportional to 27,832.22, 38,408.17 and 15,256.90 is: 21,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.22 : 38,408.17 = 15,256.90 : x
  2. Step 2: Convert to fraction form
    27,832.22/38,408.17 = 15,256.90/x
  3. Step 3: Cross multiply
    27,832.22x = 38,408.17 × 15,256.90
  4. Step 4: Simplify right side
    27,832.22x = 585,989,608.87
  5. Step 5: Solve for x
    x = 585,989,608.87/27,832.22
  6. Step 6: Final answer
    x = 21,054.36

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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.