Home / 27,909.34-38,514.22-15,971.92

Finding the Fourth Proportional to 27,909.34, 38,514.22 and 15,971.92

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Solution

The fourth proportional to 27,909.34, 38,514.22 and 15,971.92 is: 22,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.34 : 38,514.22 = 15,971.92 : x
  2. Step 2: Convert to fraction form
    27,909.34/38,514.22 = 15,971.92/x
  3. Step 3: Cross multiply
    27,909.34x = 38,514.22 × 15,971.92
  4. Step 4: Simplify right side
    27,909.34x = 615,145,904.49
  5. Step 5: Solve for x
    x = 615,145,904.49/27,909.34
  6. Step 6: Final answer
    x = 22,040.86

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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.