Home / 28,285.00-42,435.39-8,563.73

Finding the Fourth Proportional to 28,285.00, 42,435.39 and 8,563.73

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Solution

The fourth proportional to 28,285.00, 42,435.39 and 8,563.73 is: 12,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.00 : 42,435.39 = 8,563.73 : x
  2. Step 2: Convert to fraction form
    28,285.00/42,435.39 = 8,563.73/x
  3. Step 3: Cross multiply
    28,285.00x = 42,435.39 × 8,563.73
  4. Step 4: Simplify right side
    28,285.00x = 363,405,042.34
  5. Step 5: Solve for x
    x = 363,405,042.34/28,285.00
  6. Step 6: Final answer
    x = 12,847.98

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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.