Home / 27,543.60-38,010.06-15,609.22

Finding the Fourth Proportional to 27,543.60, 38,010.06 and 15,609.22

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Solution

The fourth proportional to 27,543.60, 38,010.06 and 15,609.22 is: 21,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.60 : 38,010.06 = 15,609.22 : x
  2. Step 2: Convert to fraction form
    27,543.60/38,010.06 = 15,609.22/x
  3. Step 3: Cross multiply
    27,543.60x = 38,010.06 × 15,609.22
  4. Step 4: Simplify right side
    27,543.60x = 593,307,388.75
  5. Step 5: Solve for x
    x = 593,307,388.75/27,543.60
  6. Step 6: Final answer
    x = 21,540.66

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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.