Home / 28,737.67-43,107.72-10,019.58

Finding the Fourth Proportional to 28,737.67, 43,107.72 and 10,019.58

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Solution

The fourth proportional to 28,737.67, 43,107.72 and 10,019.58 is: 15,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.67 : 43,107.72 = 10,019.58 : x
  2. Step 2: Convert to fraction form
    28,737.67/43,107.72 = 10,019.58/x
  3. Step 3: Cross multiply
    28,737.67x = 43,107.72 × 10,019.58
  4. Step 4: Simplify right side
    28,737.67x = 431,921,249.16
  5. Step 5: Solve for x
    x = 431,921,249.16/28,737.67
  6. Step 6: Final answer
    x = 15,029.79

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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.