Home / 38,283.26-57,420.32-10,205.42

Finding the Fourth Proportional to 38,283.26, 57,420.32 and 10,205.42

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Solution

The fourth proportional to 38,283.26, 57,420.32 and 10,205.42 is: 15,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.26 : 57,420.32 = 10,205.42 : x
  2. Step 2: Convert to fraction form
    38,283.26/57,420.32 = 10,205.42/x
  3. Step 3: Cross multiply
    38,283.26x = 57,420.32 × 10,205.42
  4. Step 4: Simplify right side
    38,283.26x = 585,998,144.01
  5. Step 5: Solve for x
    x = 585,998,144.01/38,283.26
  6. Step 6: Final answer
    x = 15,306.90

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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.