Home / 28,120.17-38,807.51-16,183.25

Finding the Fourth Proportional to 28,120.17, 38,807.51 and 16,183.25

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Solution

The fourth proportional to 28,120.17, 38,807.51 and 16,183.25 is: 22,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,120.17 : 38,807.51 = 16,183.25 : x
  2. Step 2: Convert to fraction form
    28,120.17/38,807.51 = 16,183.25/x
  3. Step 3: Cross multiply
    28,120.17x = 38,807.51 × 16,183.25
  4. Step 4: Simplify right side
    28,120.17x = 628,031,361.25
  5. Step 5: Solve for x
    x = 628,031,361.25/28,120.17
  6. Step 6: Final answer
    x = 22,333.84

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Half scale
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Double scale
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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.