Home / 27,618.22-41,397.54-13,561.90

Finding the Fourth Proportional to 27,618.22, 41,397.54 and 13,561.90

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Solution

The fourth proportional to 27,618.22, 41,397.54 and 13,561.90 is: 20,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.22 : 41,397.54 = 13,561.90 : x
  2. Step 2: Convert to fraction form
    27,618.22/41,397.54 = 13,561.90/x
  3. Step 3: Cross multiply
    27,618.22x = 41,397.54 × 13,561.90
  4. Step 4: Simplify right side
    27,618.22x = 561,429,297.73
  5. Step 5: Solve for x
    x = 561,429,297.73/27,618.22
  6. Step 6: Final answer
    x = 20,328.22

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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.