Home / 27,614.89-38,108.97-15,039.64

Finding the Fourth Proportional to 27,614.89, 38,108.97 and 15,039.64

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Solution

The fourth proportional to 27,614.89, 38,108.97 and 15,039.64 is: 20,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.89 : 38,108.97 = 15,039.64 : x
  2. Step 2: Convert to fraction form
    27,614.89/38,108.97 = 15,039.64/x
  3. Step 3: Cross multiply
    27,614.89x = 38,108.97 × 15,039.64
  4. Step 4: Simplify right side
    27,614.89x = 573,145,189.57
  5. Step 5: Solve for x
    x = 573,145,189.57/27,614.89
  6. Step 6: Final answer
    x = 20,754.93

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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.