Home / 28,240.27-42,359.68-7,463.95

Finding the Fourth Proportional to 28,240.27, 42,359.68 and 7,463.95

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Solution

The fourth proportional to 28,240.27, 42,359.68 and 7,463.95 is: 11,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.27 : 42,359.68 = 7,463.95 : x
  2. Step 2: Convert to fraction form
    28,240.27/42,359.68 = 7,463.95/x
  3. Step 3: Cross multiply
    28,240.27x = 42,359.68 × 7,463.95
  4. Step 4: Simplify right side
    28,240.27x = 316,170,533.54
  5. Step 5: Solve for x
    x = 316,170,533.54/28,240.27
  6. Step 6: Final answer
    x = 11,195.73

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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.