Home / 28,629.88-42,944.11-11,099.70

Finding the Fourth Proportional to 28,629.88, 42,944.11 and 11,099.70

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Solution

The fourth proportional to 28,629.88, 42,944.11 and 11,099.70 is: 16,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.88 : 42,944.11 = 11,099.70 : x
  2. Step 2: Convert to fraction form
    28,629.88/42,944.11 = 11,099.70/x
  3. Step 3: Cross multiply
    28,629.88x = 42,944.11 × 11,099.70
  4. Step 4: Simplify right side
    28,629.88x = 476,666,737.77
  5. Step 5: Solve for x
    x = 476,666,737.77/28,629.88
  6. Step 6: Final answer
    x = 16,649.27

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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.