Home / 27,930.80-38,544.24-15,996.24

Finding the Fourth Proportional to 27,930.80, 38,544.24 and 15,996.24

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Solution

The fourth proportional to 27,930.80, 38,544.24 and 15,996.24 is: 22,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.80 : 38,544.24 = 15,996.24 : x
  2. Step 2: Convert to fraction form
    27,930.80/38,544.24 = 15,996.24/x
  3. Step 3: Cross multiply
    27,930.80x = 38,544.24 × 15,996.24
  4. Step 4: Simplify right side
    27,930.80x = 616,562,913.66
  5. Step 5: Solve for x
    x = 616,562,913.66/27,930.80
  6. Step 6: Final answer
    x = 22,074.66

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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.