Home / 27,346.11-41,019.14-21,115.22

Finding the Fourth Proportional to 27,346.11, 41,019.14 and 21,115.22

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Solution

The fourth proportional to 27,346.11, 41,019.14 and 21,115.22 is: 31,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,346.11 : 41,019.14 = 21,115.22 : x
  2. Step 2: Convert to fraction form
    27,346.11/41,019.14 = 21,115.22/x
  3. Step 3: Cross multiply
    27,346.11x = 41,019.14 × 21,115.22
  4. Step 4: Simplify right side
    27,346.11x = 866,128,013.00
  5. Step 5: Solve for x
    x = 866,128,013.00/27,346.11
  6. Step 6: Final answer
    x = 31,672.81

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Double scale
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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.