Home / 27,543.74-38,010.24-15,609.35

Finding the Fourth Proportional to 27,543.74, 38,010.24 and 15,609.35

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Solution

The fourth proportional to 27,543.74, 38,010.24 and 15,609.35 is: 21,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.74 : 38,010.24 = 15,609.35 : x
  2. Step 2: Convert to fraction form
    27,543.74/38,010.24 = 15,609.35/x
  3. Step 3: Cross multiply
    27,543.74x = 38,010.24 × 15,609.35
  4. Step 4: Simplify right side
    27,543.74x = 593,315,234.77
  5. Step 5: Solve for x
    x = 593,315,234.77/27,543.74
  6. Step 6: Final answer
    x = 21,540.84

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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.