Home / 28,096.14-38,775.51-21,010.26

Finding the Fourth Proportional to 28,096.14, 38,775.51 and 21,010.26

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Solution

The fourth proportional to 28,096.14, 38,775.51 and 21,010.26 is: 28,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.14 : 38,775.51 = 21,010.26 : x
  2. Step 2: Convert to fraction form
    28,096.14/38,775.51 = 21,010.26/x
  3. Step 3: Cross multiply
    28,096.14x = 38,775.51 × 21,010.26
  4. Step 4: Simplify right side
    28,096.14x = 814,683,546.73
  5. Step 5: Solve for x
    x = 814,683,546.73/28,096.14
  6. Step 6: Final answer
    x = 28,996.28

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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.