Home / 28,160.37-42,234.44-8,433.63

Finding the Fourth Proportional to 28,160.37, 42,234.44 and 8,433.63

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Solution

The fourth proportional to 28,160.37, 42,234.44 and 8,433.63 is: 12,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.37 : 42,234.44 = 8,433.63 : x
  2. Step 2: Convert to fraction form
    28,160.37/42,234.44 = 8,433.63/x
  3. Step 3: Cross multiply
    28,160.37x = 42,234.44 × 8,433.63
  4. Step 4: Simplify right side
    28,160.37x = 356,189,598.05
  5. Step 5: Solve for x
    x = 356,189,598.05/28,160.37
  6. Step 6: Final answer
    x = 12,648.61

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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.