Home / 38,427.38-57,650.78-10,725.38

Finding the Fourth Proportional to 38,427.38, 57,650.78 and 10,725.38

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Solution

The fourth proportional to 38,427.38, 57,650.78 and 10,725.38 is: 16,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.38 : 57,650.78 = 10,725.38 : x
  2. Step 2: Convert to fraction form
    38,427.38/57,650.78 = 10,725.38/x
  3. Step 3: Cross multiply
    38,427.38x = 57,650.78 × 10,725.38
  4. Step 4: Simplify right side
    38,427.38x = 618,326,522.80
  5. Step 5: Solve for x
    x = 618,326,522.80/38,427.38
  6. Step 6: Final answer
    x = 16,090.78

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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.