Home / 27,280.75-40,921.17-7,559.36

Finding the Fourth Proportional to 27,280.75, 40,921.17 and 7,559.36

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Solution

The fourth proportional to 27,280.75, 40,921.17 and 7,559.36 is: 11,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.75 : 40,921.17 = 7,559.36 : x
  2. Step 2: Convert to fraction form
    27,280.75/40,921.17 = 7,559.36/x
  3. Step 3: Cross multiply
    27,280.75x = 40,921.17 × 7,559.36
  4. Step 4: Simplify right side
    27,280.75x = 309,337,855.65
  5. Step 5: Solve for x
    x = 309,337,855.65/27,280.75
  6. Step 6: Final answer
    x = 11,339.05

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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.