Home / 27,682.85-38,205.54-15,748.06

Finding the Fourth Proportional to 27,682.85, 38,205.54 and 15,748.06

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Solution

The fourth proportional to 27,682.85, 38,205.54 and 15,748.06 is: 21,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.85 : 38,205.54 = 15,748.06 : x
  2. Step 2: Convert to fraction form
    27,682.85/38,205.54 = 15,748.06/x
  3. Step 3: Cross multiply
    27,682.85x = 38,205.54 × 15,748.06
  4. Step 4: Simplify right side
    27,682.85x = 601,663,136.25
  5. Step 5: Solve for x
    x = 601,663,136.25/27,682.85
  6. Step 6: Final answer
    x = 21,734.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.