Home / 27,276.92-37,645.78-15,342.56

Finding the Fourth Proportional to 27,276.92, 37,645.78 and 15,342.56

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Solution

The fourth proportional to 27,276.92, 37,645.78 and 15,342.56 is: 21,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.92 : 37,645.78 = 15,342.56 : x
  2. Step 2: Convert to fraction form
    27,276.92/37,645.78 = 15,342.56/x
  3. Step 3: Cross multiply
    27,276.92x = 37,645.78 × 15,342.56
  4. Step 4: Simplify right side
    27,276.92x = 577,582,644.48
  5. Step 5: Solve for x
    x = 577,582,644.48/27,276.92
  6. Step 6: Final answer
    x = 21,174.78

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1.5x scale

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.