Home / 38,255.64-57,378.89-10,177.75

Finding the Fourth Proportional to 38,255.64, 57,378.89 and 10,177.75

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Solution

The fourth proportional to 38,255.64, 57,378.89 and 10,177.75 is: 15,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.64 : 57,378.89 = 10,177.75 : x
  2. Step 2: Convert to fraction form
    38,255.64/57,378.89 = 10,177.75/x
  3. Step 3: Cross multiply
    38,255.64x = 57,378.89 × 10,177.75
  4. Step 4: Simplify right side
    38,255.64x = 583,987,997.70
  5. Step 5: Solve for x
    x = 583,987,997.70/38,255.64
  6. Step 6: Final answer
    x = 15,265.41

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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.