Home / 27,240.05-40,862.44-7,518.62

Finding the Fourth Proportional to 27,240.05, 40,862.44 and 7,518.62

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Solution

The fourth proportional to 27,240.05, 40,862.44 and 7,518.62 is: 11,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.05 : 40,862.44 = 7,518.62 : x
  2. Step 2: Convert to fraction form
    27,240.05/40,862.44 = 7,518.62/x
  3. Step 3: Cross multiply
    27,240.05x = 40,862.44 × 7,518.62
  4. Step 4: Simplify right side
    27,240.05x = 307,228,935.52
  5. Step 5: Solve for x
    x = 307,228,935.52/27,240.05
  6. Step 6: Final answer
    x = 11,278.57

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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.