Home / 28,000.89-41,992.68-8,008.98

Finding the Fourth Proportional to 28,000.89, 41,992.68 and 8,008.98

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Solution

The fourth proportional to 28,000.89, 41,992.68 and 8,008.98 is: 12,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.89 : 41,992.68 = 8,008.98 : x
  2. Step 2: Convert to fraction form
    28,000.89/41,992.68 = 8,008.98/x
  3. Step 3: Cross multiply
    28,000.89x = 41,992.68 × 8,008.98
  4. Step 4: Simplify right side
    28,000.89x = 336,318,361.78
  5. Step 5: Solve for x
    x = 336,318,361.78/28,000.89
  6. Step 6: Final answer
    x = 12,010.99

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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.