Home / 27,355.24-37,749.02-15,418.52

Finding the Fourth Proportional to 27,355.24, 37,749.02 and 15,418.52

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Solution

The fourth proportional to 27,355.24, 37,749.02 and 15,418.52 is: 21,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.24 : 37,749.02 = 15,418.52 : x
  2. Step 2: Convert to fraction form
    27,355.24/37,749.02 = 15,418.52/x
  3. Step 3: Cross multiply
    27,355.24x = 37,749.02 × 15,418.52
  4. Step 4: Simplify right side
    27,355.24x = 582,034,019.85
  5. Step 5: Solve for x
    x = 582,034,019.85/27,355.24
  6. Step 6: Final answer
    x = 21,276.87

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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.