Home / 28,059.44-38,716.88-16,123.28

Finding the Fourth Proportional to 28,059.44, 38,716.88 and 16,123.28

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Solution

The fourth proportional to 28,059.44, 38,716.88 and 16,123.28 is: 22,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.44 : 38,716.88 = 16,123.28 : x
  2. Step 2: Convert to fraction form
    28,059.44/38,716.88 = 16,123.28/x
  3. Step 3: Cross multiply
    28,059.44x = 38,716.88 × 16,123.28
  4. Step 4: Simplify right side
    28,059.44x = 624,243,113.14
  5. Step 5: Solve for x
    x = 624,243,113.14/28,059.44
  6. Step 6: Final answer
    x = 22,247.17

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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.