Home / 26,119.88-36,019.38-16,685

Finding the Fourth Proportional to 26,119.88, 36,019.38 and 16,685

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Solution

The fourth proportional to 26,119.88, 36,019.38 and 16,685 is: 23,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.88 : 36,019.38 = 16,685 : x
  2. Step 2: Convert to fraction form
    26,119.88/36,019.38 = 16,685/x
  3. Step 3: Cross multiply
    26,119.88x = 36,019.38 × 16,685
  4. Step 4: Simplify right side
    26,119.88x = 600,983,355.30
  5. Step 5: Solve for x
    x = 600,983,355.30/26,119.88
  6. Step 6: Final answer
    x = 23,008.66

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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.