Home / 38,657.45-57,986.21-10,575.42

Finding the Fourth Proportional to 38,657.45, 57,986.21 and 10,575.42

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Solution

The fourth proportional to 38,657.45, 57,986.21 and 10,575.42 is: 15,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.45 : 57,986.21 = 10,575.42 : x
  2. Step 2: Convert to fraction form
    38,657.45/57,986.21 = 10,575.42/x
  3. Step 3: Cross multiply
    38,657.45x = 57,986.21 × 10,575.42
  4. Step 4: Simplify right side
    38,657.45x = 613,228,472.08
  5. Step 5: Solve for x
    x = 613,228,472.08/38,657.45
  6. Step 6: Final answer
    x = 15,863.14

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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.