Home / 27,909.17-38,514.49-15,162.25

Finding the Fourth Proportional to 27,909.17, 38,514.49 and 15,162.25

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Solution

The fourth proportional to 27,909.17, 38,514.49 and 15,162.25 is: 20,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.17 : 38,514.49 = 15,162.25 : x
  2. Step 2: Convert to fraction form
    27,909.17/38,514.49 = 15,162.25/x
  3. Step 3: Cross multiply
    27,909.17x = 38,514.49 × 15,162.25
  4. Step 4: Simplify right side
    27,909.17x = 583,966,057.62
  5. Step 5: Solve for x
    x = 583,966,057.62/27,909.17
  6. Step 6: Final answer
    x = 20,923.81

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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.