Home / 28,049.97-38,706.26-15,473.91

Finding the Fourth Proportional to 28,049.97, 38,706.26 and 15,473.91

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Solution

The fourth proportional to 28,049.97, 38,706.26 and 15,473.91 is: 21,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.97 : 38,706.26 = 15,473.91 : x
  2. Step 2: Convert to fraction form
    28,049.97/38,706.26 = 15,473.91/x
  3. Step 3: Cross multiply
    28,049.97x = 38,706.26 × 15,473.91
  4. Step 4: Simplify right side
    28,049.97x = 598,937,183.68
  5. Step 5: Solve for x
    x = 598,937,183.68/28,049.97
  6. Step 6: Final answer
    x = 21,352.51

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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.