Home / 27,782.06-38,338.97-15,034.97

Finding the Fourth Proportional to 27,782.06, 38,338.97 and 15,034.97

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Solution

The fourth proportional to 27,782.06, 38,338.97 and 15,034.97 is: 20,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.06 : 38,338.97 = 15,034.97 : x
  2. Step 2: Convert to fraction form
    27,782.06/38,338.97 = 15,034.97/x
  3. Step 3: Cross multiply
    27,782.06x = 38,338.97 × 15,034.97
  4. Step 4: Simplify right side
    27,782.06x = 576,424,996.91
  5. Step 5: Solve for x
    x = 576,424,996.91/27,782.06
  6. Step 6: Final answer
    x = 20,748.11

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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.