Home / 38,255.70-57,378.98-10,177.82

Finding the Fourth Proportional to 38,255.70, 57,378.98 and 10,177.82

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Solution

The fourth proportional to 38,255.70, 57,378.98 and 10,177.82 is: 15,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.70 : 57,378.98 = 10,177.82 : x
  2. Step 2: Convert to fraction form
    38,255.70/57,378.98 = 10,177.82/x
  3. Step 3: Cross multiply
    38,255.70x = 57,378.98 × 10,177.82
  4. Step 4: Simplify right side
    38,255.70x = 583,992,668.77
  5. Step 5: Solve for x
    x = 583,992,668.77/38,255.70
  6. Step 6: Final answer
    x = 15,265.51

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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.