Home / 28,007.87-41,997.23-8,283.77

Finding the Fourth Proportional to 28,007.87, 41,997.23 and 8,283.77

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Solution

The fourth proportional to 28,007.87, 41,997.23 and 8,283.77 is: 12,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.87 : 41,997.23 = 8,283.77 : x
  2. Step 2: Convert to fraction form
    28,007.87/41,997.23 = 8,283.77/x
  3. Step 3: Cross multiply
    28,007.87x = 41,997.23 × 8,283.77
  4. Step 4: Simplify right side
    28,007.87x = 347,895,142.55
  5. Step 5: Solve for x
    x = 347,895,142.55/28,007.87
  6. Step 6: Final answer
    x = 12,421.34

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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.