Home / 26,560.48-39,908.72-20,048

Finding the Fourth Proportional to 26,560.48, 39,908.72 and 20,048

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Solution

The fourth proportional to 26,560.48, 39,908.72 and 20,048 is: 30,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.48 : 39,908.72 = 20,048 : x
  2. Step 2: Convert to fraction form
    26,560.48/39,908.72 = 20,048/x
  3. Step 3: Cross multiply
    26,560.48x = 39,908.72 × 20,048
  4. Step 4: Simplify right side
    26,560.48x = 800,090,018.56
  5. Step 5: Solve for x
    x = 800,090,018.56/26,560.48
  6. Step 6: Final answer
    x = 30,123.33

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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.