Home / 27,799.03-38,363.13-15,222.97

Finding the Fourth Proportional to 27,799.03, 38,363.13 and 15,222.97

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Solution

The fourth proportional to 27,799.03, 38,363.13 and 15,222.97 is: 21,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.03 : 38,363.13 = 15,222.97 : x
  2. Step 2: Convert to fraction form
    27,799.03/38,363.13 = 15,222.97/x
  3. Step 3: Cross multiply
    27,799.03x = 38,363.13 × 15,222.97
  4. Step 4: Simplify right side
    27,799.03x = 584,000,777.10
  5. Step 5: Solve for x
    x = 584,000,777.10/27,799.03
  6. Step 6: Final answer
    x = 21,007.96

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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.