Home / 27,909.43-38,514.85-15,333.91

Finding the Fourth Proportional to 27,909.43, 38,514.85 and 15,333.91

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Solution

The fourth proportional to 27,909.43, 38,514.85 and 15,333.91 is: 21,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.43 : 38,514.85 = 15,333.91 : x
  2. Step 2: Convert to fraction form
    27,909.43/38,514.85 = 15,333.91/x
  3. Step 3: Cross multiply
    27,909.43x = 38,514.85 × 15,333.91
  4. Step 4: Simplify right side
    27,909.43x = 590,583,243.56
  5. Step 5: Solve for x
    x = 590,583,243.56/27,909.43
  6. Step 6: Final answer
    x = 21,160.71

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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.