Home / 26,739.38-36,889.55-15,402.82

Finding the Fourth Proportional to 26,739.38, 36,889.55 and 15,402.82

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Solution

The fourth proportional to 26,739.38, 36,889.55 and 15,402.82 is: 21,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.38 : 36,889.55 = 15,402.82 : x
  2. Step 2: Convert to fraction form
    26,739.38/36,889.55 = 15,402.82/x
  3. Step 3: Cross multiply
    26,739.38x = 36,889.55 × 15,402.82
  4. Step 4: Simplify right side
    26,739.38x = 568,203,098.53
  5. Step 5: Solve for x
    x = 568,203,098.53/26,739.38
  6. Step 6: Final answer
    x = 21,249.68

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1.5x scale

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.