Home / 23,780.21-35,671.85-7,984.60

Finding the Fourth Proportional to 23,780.21, 35,671.85 and 7,984.60

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Solution

The fourth proportional to 23,780.21, 35,671.85 and 7,984.60 is: 11,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.21 : 35,671.85 = 7,984.60 : x
  2. Step 2: Convert to fraction form
    23,780.21/35,671.85 = 7,984.60/x
  3. Step 3: Cross multiply
    23,780.21x = 35,671.85 × 7,984.60
  4. Step 4: Simplify right side
    23,780.21x = 284,825,413.59
  5. Step 5: Solve for x
    x = 284,825,413.59/23,780.21
  6. Step 6: Final answer
    x = 11,977.42

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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.