Home / 28,297.14-39,049.97-15,551.18

Finding the Fourth Proportional to 28,297.14, 39,049.97 and 15,551.18

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Solution

The fourth proportional to 28,297.14, 39,049.97 and 15,551.18 is: 21,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.14 : 39,049.97 = 15,551.18 : x
  2. Step 2: Convert to fraction form
    28,297.14/39,049.97 = 15,551.18/x
  3. Step 3: Cross multiply
    28,297.14x = 39,049.97 × 15,551.18
  4. Step 4: Simplify right side
    28,297.14x = 607,273,248.97
  5. Step 5: Solve for x
    x = 607,273,248.97/28,297.14
  6. Step 6: Final answer
    x = 21,460.59

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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.