Home / 26,371.62-36,389.16-15,759

Finding the Fourth Proportional to 26,371.62, 36,389.16 and 15,759

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Solution

The fourth proportional to 26,371.62, 36,389.16 and 15,759 is: 21,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.62 : 36,389.16 = 15,759 : x
  2. Step 2: Convert to fraction form
    26,371.62/36,389.16 = 15,759/x
  3. Step 3: Cross multiply
    26,371.62x = 36,389.16 × 15,759
  4. Step 4: Simplify right side
    26,371.62x = 573,456,772.44
  5. Step 5: Solve for x
    x = 573,456,772.44/26,371.62
  6. Step 6: Final answer
    x = 21,745.22

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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.