Home / 27,675.05-38,191.55-15,099.80

Finding the Fourth Proportional to 27,675.05, 38,191.55 and 15,099.80

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Solution

The fourth proportional to 27,675.05, 38,191.55 and 15,099.80 is: 20,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.05 : 38,191.55 = 15,099.80 : x
  2. Step 2: Convert to fraction form
    27,675.05/38,191.55 = 15,099.80/x
  3. Step 3: Cross multiply
    27,675.05x = 38,191.55 × 15,099.80
  4. Step 4: Simplify right side
    27,675.05x = 576,684,500.23
  5. Step 5: Solve for x
    x = 576,684,500.23/27,675.05
  6. Step 6: Final answer
    x = 20,837.71

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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.