Home / 27,926.28-38,538.96-15,351.03

Finding the Fourth Proportional to 27,926.28, 38,538.96 and 15,351.03

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Solution

The fourth proportional to 27,926.28, 38,538.96 and 15,351.03 is: 21,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.28 : 38,538.96 = 15,351.03 : x
  2. Step 2: Convert to fraction form
    27,926.28/38,538.96 = 15,351.03/x
  3. Step 3: Cross multiply
    27,926.28x = 38,538.96 × 15,351.03
  4. Step 4: Simplify right side
    27,926.28x = 591,612,731.13
  5. Step 5: Solve for x
    x = 591,612,731.13/27,926.28
  6. Step 6: Final answer
    x = 21,184.80

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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.