Home / 28,034.32-42,051.50-7,257.82

Finding the Fourth Proportional to 28,034.32, 42,051.50 and 7,257.82

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Solution

The fourth proportional to 28,034.32, 42,051.50 and 7,257.82 is: 10,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.32 : 42,051.50 = 7,257.82 : x
  2. Step 2: Convert to fraction form
    28,034.32/42,051.50 = 7,257.82/x
  3. Step 3: Cross multiply
    28,034.32x = 42,051.50 × 7,257.82
  4. Step 4: Simplify right side
    28,034.32x = 305,202,217.73
  5. Step 5: Solve for x
    x = 305,202,217.73/28,034.32
  6. Step 6: Final answer
    x = 10,886.74

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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.