Home / 27,822.22-38,388.60-16,486.05

Finding the Fourth Proportional to 27,822.22, 38,388.60 and 16,486.05

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Solution

The fourth proportional to 27,822.22, 38,388.60 and 16,486.05 is: 22,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.22 : 38,388.60 = 16,486.05 : x
  2. Step 2: Convert to fraction form
    27,822.22/38,388.60 = 16,486.05/x
  3. Step 3: Cross multiply
    27,822.22x = 38,388.60 × 16,486.05
  4. Step 4: Simplify right side
    27,822.22x = 632,876,379.03
  5. Step 5: Solve for x
    x = 632,876,379.03/27,822.22
  6. Step 6: Final answer
    x = 22,747.16

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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.