Home / 27,997.68-38,623.32-17,399.76

Finding the Fourth Proportional to 27,997.68, 38,623.32 and 17,399.76

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Solution

The fourth proportional to 27,997.68, 38,623.32 and 17,399.76 is: 24,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.68 : 38,623.32 = 17,399.76 : x
  2. Step 2: Convert to fraction form
    27,997.68/38,623.32 = 17,399.76/x
  3. Step 3: Cross multiply
    27,997.68x = 38,623.32 × 17,399.76
  4. Step 4: Simplify right side
    27,997.68x = 672,036,498.40
  5. Step 5: Solve for x
    x = 672,036,498.40/27,997.68
  6. Step 6: Final answer
    x = 24,003.29

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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.