Home / 38,396.37-57,600.72-13,435.86

Finding the Fourth Proportional to 38,396.37, 57,600.72 and 13,435.86

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Solution

The fourth proportional to 38,396.37, 57,600.72 and 13,435.86 is: 20,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.37 : 57,600.72 = 13,435.86 : x
  2. Step 2: Convert to fraction form
    38,396.37/57,600.72 = 13,435.86/x
  3. Step 3: Cross multiply
    38,396.37x = 57,600.72 × 13,435.86
  4. Step 4: Simplify right side
    38,396.37x = 773,915,209.82
  5. Step 5: Solve for x
    x = 773,915,209.82/38,396.37
  6. Step 6: Final answer
    x = 20,155.95

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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.