Home / 26,581.05-36,676.44-20,205.93

Finding the Fourth Proportional to 26,581.05, 36,676.44 and 20,205.93

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Solution

The fourth proportional to 26,581.05, 36,676.44 and 20,205.93 is: 27,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.05 : 36,676.44 = 20,205.93 : x
  2. Step 2: Convert to fraction form
    26,581.05/36,676.44 = 20,205.93/x
  3. Step 3: Cross multiply
    26,581.05x = 36,676.44 × 20,205.93
  4. Step 4: Simplify right side
    26,581.05x = 741,081,579.29
  5. Step 5: Solve for x
    x = 741,081,579.29/26,581.05
  6. Step 6: Final answer
    x = 27,880.07

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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.