Home / 38,278.21-57,413.60-11,624.43

Finding the Fourth Proportional to 38,278.21, 57,413.60 and 11,624.43

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Solution

The fourth proportional to 38,278.21, 57,413.60 and 11,624.43 is: 17,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.21 : 57,413.60 = 11,624.43 : x
  2. Step 2: Convert to fraction form
    38,278.21/57,413.60 = 11,624.43/x
  3. Step 3: Cross multiply
    38,278.21x = 57,413.60 × 11,624.43
  4. Step 4: Simplify right side
    38,278.21x = 667,400,374.25
  5. Step 5: Solve for x
    x = 667,400,374.25/38,278.21
  6. Step 6: Final answer
    x = 17,435.52

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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.