Home / 27,064.28-37,349.38-15,129.61

Finding the Fourth Proportional to 27,064.28, 37,349.38 and 15,129.61

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Solution

The fourth proportional to 27,064.28, 37,349.38 and 15,129.61 is: 20,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064.28 : 37,349.38 = 15,129.61 : x
  2. Step 2: Convert to fraction form
    27,064.28/37,349.38 = 15,129.61/x
  3. Step 3: Cross multiply
    27,064.28x = 37,349.38 × 15,129.61
  4. Step 4: Simplify right side
    27,064.28x = 565,081,553.14
  5. Step 5: Solve for x
    x = 565,081,553.14/27,064.28
  6. Step 6: Final answer
    x = 20,879.24

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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.