Home / 28,144.62-42,216.93-10,610.36

Finding the Fourth Proportional to 28,144.62, 42,216.93 and 10,610.36

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Solution

The fourth proportional to 28,144.62, 42,216.93 and 10,610.36 is: 15,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.62 : 42,216.93 = 10,610.36 : x
  2. Step 2: Convert to fraction form
    28,144.62/42,216.93 = 10,610.36/x
  3. Step 3: Cross multiply
    28,144.62x = 42,216.93 × 10,610.36
  4. Step 4: Simplify right side
    28,144.62x = 447,936,614.31
  5. Step 5: Solve for x
    x = 447,936,614.31/28,144.62
  6. Step 6: Final answer
    x = 15,915.53

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.