Home / 23,775.36-32,805.48-15,279

Finding the Fourth Proportional to 23,775.36, 32,805.48 and 15,279

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Solution

The fourth proportional to 23,775.36, 32,805.48 and 15,279 is: 21,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.36 : 32,805.48 = 15,279 : x
  2. Step 2: Convert to fraction form
    23,775.36/32,805.48 = 15,279/x
  3. Step 3: Cross multiply
    23,775.36x = 32,805.48 × 15,279
  4. Step 4: Simplify right side
    23,775.36x = 501,234,928.92
  5. Step 5: Solve for x
    x = 501,234,928.92/23,775.36
  6. Step 6: Final answer
    x = 21,082.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.