Home / 20,073.43-27,703.38-11,575.87

Finding the Fourth Proportional to 20,073.43, 27,703.38 and 11,575.87

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Solution

The fourth proportional to 20,073.43, 27,703.38 and 11,575.87 is: 15,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.43 : 27,703.38 = 11,575.87 : x
  2. Step 2: Convert to fraction form
    20,073.43/27,703.38 = 11,575.87/x
  3. Step 3: Cross multiply
    20,073.43x = 27,703.38 × 11,575.87
  4. Step 4: Simplify right side
    20,073.43x = 320,690,725.44
  5. Step 5: Solve for x
    x = 320,690,725.44/20,073.43
  6. Step 6: Final answer
    x = 15,975.88

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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.