Home / 27,543.42-38,009.79-15,608.88

Finding the Fourth Proportional to 27,543.42, 38,009.79 and 15,608.88

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Solution

The fourth proportional to 27,543.42, 38,009.79 and 15,608.88 is: 21,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.42 : 38,009.79 = 15,608.88 : x
  2. Step 2: Convert to fraction form
    27,543.42/38,009.79 = 15,608.88/x
  3. Step 3: Cross multiply
    27,543.42x = 38,009.79 × 15,608.88
  4. Step 4: Simplify right side
    27,543.42x = 593,290,250.94
  5. Step 5: Solve for x
    x = 593,290,250.94/27,543.42
  6. Step 6: Final answer
    x = 21,540.18

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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.