Home / 28,734.15-43,087.33-10,013.74

Finding the Fourth Proportional to 28,734.15, 43,087.33 and 10,013.74

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Solution

The fourth proportional to 28,734.15, 43,087.33 and 10,013.74 is: 15,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.15 : 43,087.33 = 10,013.74 : x
  2. Step 2: Convert to fraction form
    28,734.15/43,087.33 = 10,013.74/x
  3. Step 3: Cross multiply
    28,734.15x = 43,087.33 × 10,013.74
  4. Step 4: Simplify right side
    28,734.15x = 431,465,319.91
  5. Step 5: Solve for x
    x = 431,465,319.91/28,734.15
  6. Step 6: Final answer
    x = 15,015.77

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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.