Home / 26,723-36,877.62-15,388.36

Finding the Fourth Proportional to 26,723, 36,877.62 and 15,388.36

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Solution

The fourth proportional to 26,723, 36,877.62 and 15,388.36 is: 21,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,723 : 36,877.62 = 15,388.36 : x
  2. Step 2: Convert to fraction form
    26,723/36,877.62 = 15,388.36/x
  3. Step 3: Cross multiply
    26,723x = 36,877.62 × 15,388.36
  4. Step 4: Simplify right side
    26,723x = 567,486,092.50
  5. Step 5: Solve for x
    x = 567,486,092.50/26,723
  6. Step 6: Final answer
    x = 21,235.87

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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.