Home / 27,690.33-41,530.26-7,427.37

Finding the Fourth Proportional to 27,690.33, 41,530.26 and 7,427.37

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Solution

The fourth proportional to 27,690.33, 41,530.26 and 7,427.37 is: 11,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690.33 : 41,530.26 = 7,427.37 : x
  2. Step 2: Convert to fraction form
    27,690.33/41,530.26 = 7,427.37/x
  3. Step 3: Cross multiply
    27,690.33x = 41,530.26 × 7,427.37
  4. Step 4: Simplify right side
    27,690.33x = 308,460,607.22
  5. Step 5: Solve for x
    x = 308,460,607.22/27,690.33
  6. Step 6: Final answer
    x = 11,139.65

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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.