Home / 28,175.19-38,882.97-15,599.94

Finding the Fourth Proportional to 28,175.19, 38,882.97 and 15,599.94

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Solution

The fourth proportional to 28,175.19, 38,882.97 and 15,599.94 is: 21,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.19 : 38,882.97 = 15,599.94 : x
  2. Step 2: Convert to fraction form
    28,175.19/38,882.97 = 15,599.94/x
  3. Step 3: Cross multiply
    28,175.19x = 38,882.97 × 15,599.94
  4. Step 4: Simplify right side
    28,175.19x = 606,571,960.31
  5. Step 5: Solve for x
    x = 606,571,960.31/28,175.19
  6. Step 6: Final answer
    x = 21,528.59

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Half scale
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Double scale
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Similar ratio
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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.