Home / 27,355.37-37,749.88-15,418.46

Finding the Fourth Proportional to 27,355.37, 37,749.88 and 15,418.46

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Solution

The fourth proportional to 27,355.37, 37,749.88 and 15,418.46 is: 21,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.37 : 37,749.88 = 15,418.46 : x
  2. Step 2: Convert to fraction form
    27,355.37/37,749.88 = 15,418.46/x
  3. Step 3: Cross multiply
    27,355.37x = 37,749.88 × 15,418.46
  4. Step 4: Simplify right side
    27,355.37x = 582,045,128.43
  5. Step 5: Solve for x
    x = 582,045,128.43/27,355.37
  6. Step 6: Final answer
    x = 21,277.18

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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.