Home / 27,804.69-38,370.49-15,057.97

Finding the Fourth Proportional to 27,804.69, 38,370.49 and 15,057.97

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Solution

The fourth proportional to 27,804.69, 38,370.49 and 15,057.97 is: 20,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.69 : 38,370.49 = 15,057.97 : x
  2. Step 2: Convert to fraction form
    27,804.69/38,370.49 = 15,057.97/x
  3. Step 3: Cross multiply
    27,804.69x = 38,370.49 × 15,057.97
  4. Step 4: Simplify right side
    27,804.69x = 577,781,553.73
  5. Step 5: Solve for x
    x = 577,781,553.73/27,804.69
  6. Step 6: Final answer
    x = 20,780.00

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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.