Home / 27,790.35-38,350.64-15,043.47

Finding the Fourth Proportional to 27,790.35, 38,350.64 and 15,043.47

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Solution

The fourth proportional to 27,790.35, 38,350.64 and 15,043.47 is: 20,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.35 : 38,350.64 = 15,043.47 : x
  2. Step 2: Convert to fraction form
    27,790.35/38,350.64 = 15,043.47/x
  3. Step 3: Cross multiply
    27,790.35x = 38,350.64 × 15,043.47
  4. Step 4: Simplify right side
    27,790.35x = 576,926,739.93
  5. Step 5: Solve for x
    x = 576,926,739.93/27,790.35
  6. Step 6: Final answer
    x = 20,759.97

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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.