Home / 27,981.12-41,971.76-11,341.44

Finding the Fourth Proportional to 27,981.12, 41,971.76 and 11,341.44

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Solution

The fourth proportional to 27,981.12, 41,971.76 and 11,341.44 is: 17,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.12 : 41,971.76 = 11,341.44 : x
  2. Step 2: Convert to fraction form
    27,981.12/41,971.76 = 11,341.44/x
  3. Step 3: Cross multiply
    27,981.12x = 41,971.76 × 11,341.44
  4. Step 4: Simplify right side
    27,981.12x = 476,020,197.73
  5. Step 5: Solve for x
    x = 476,020,197.73/27,981.12
  6. Step 6: Final answer
    x = 17,012.19

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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.