Home / 28,737.77-43,107.38-7,961.45

Finding the Fourth Proportional to 28,737.77, 43,107.38 and 7,961.45

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Solution

The fourth proportional to 28,737.77, 43,107.38 and 7,961.45 is: 11,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.77 : 43,107.38 = 7,961.45 : x
  2. Step 2: Convert to fraction form
    28,737.77/43,107.38 = 7,961.45/x
  3. Step 3: Cross multiply
    28,737.77x = 43,107.38 × 7,961.45
  4. Step 4: Simplify right side
    28,737.77x = 343,197,250.50
  5. Step 5: Solve for x
    x = 343,197,250.50/28,737.77
  6. Step 6: Final answer
    x = 11,942.38

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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.