Home / 26,961.24-40,412.64-13,795.56

Finding the Fourth Proportional to 26,961.24, 40,412.64 and 13,795.56

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Solution

The fourth proportional to 26,961.24, 40,412.64 and 13,795.56 is: 20,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.24 : 40,412.64 = 13,795.56 : x
  2. Step 2: Convert to fraction form
    26,961.24/40,412.64 = 13,795.56/x
  3. Step 3: Cross multiply
    26,961.24x = 40,412.64 × 13,795.56
  4. Step 4: Simplify right side
    26,961.24x = 557,514,999.88
  5. Step 5: Solve for x
    x = 557,514,999.88/26,961.24
  6. Step 6: Final answer
    x = 20,678.39

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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.