Home / 27,721.60-41,587.88-8,998.16

Finding the Fourth Proportional to 27,721.60, 41,587.88 and 8,998.16

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Solution

The fourth proportional to 27,721.60, 41,587.88 and 8,998.16 is: 13,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.60 : 41,587.88 = 8,998.16 : x
  2. Step 2: Convert to fraction form
    27,721.60/41,587.88 = 8,998.16/x
  3. Step 3: Cross multiply
    27,721.60x = 41,587.88 × 8,998.16
  4. Step 4: Simplify right side
    27,721.60x = 374,214,398.30
  5. Step 5: Solve for x
    x = 374,214,398.30/27,721.60
  6. Step 6: Final answer
    x = 13,499.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.