Home / 27,790.03-38,350.27-15,043.18

Finding the Fourth Proportional to 27,790.03, 38,350.27 and 15,043.18

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Solution

The fourth proportional to 27,790.03, 38,350.27 and 15,043.18 is: 20,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.03 : 38,350.27 = 15,043.18 : x
  2. Step 2: Convert to fraction form
    27,790.03/38,350.27 = 15,043.18/x
  3. Step 3: Cross multiply
    27,790.03x = 38,350.27 × 15,043.18
  4. Step 4: Simplify right side
    27,790.03x = 576,909,747.69
  5. Step 5: Solve for x
    x = 576,909,747.69/27,790.03
  6. Step 6: Final answer
    x = 20,759.59

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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.