Home / 28,355.52-42,467.36-27,371.20

Finding the Fourth Proportional to 28,355.52, 42,467.36 and 27,371.20

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Solution

The fourth proportional to 28,355.52, 42,467.36 and 27,371.20 is: 40,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.52 : 42,467.36 = 27,371.20 : x
  2. Step 2: Convert to fraction form
    28,355.52/42,467.36 = 27,371.20/x
  3. Step 3: Cross multiply
    28,355.52x = 42,467.36 × 27,371.20
  4. Step 4: Simplify right side
    28,355.52x = 1,162,382,604.03
  5. Step 5: Solve for x
    x = 1,162,382,604.03/28,355.52
  6. Step 6: Final answer
    x = 40,993.17

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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.