Home / 27,979.81-41,943.34-13,926.56

Finding the Fourth Proportional to 27,979.81, 41,943.34 and 13,926.56

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Solution

The fourth proportional to 27,979.81, 41,943.34 and 13,926.56 is: 20,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.81 : 41,943.34 = 13,926.56 : x
  2. Step 2: Convert to fraction form
    27,979.81/41,943.34 = 13,926.56/x
  3. Step 3: Cross multiply
    27,979.81x = 41,943.34 × 13,926.56
  4. Step 4: Simplify right side
    27,979.81x = 584,126,170.47
  5. Step 5: Solve for x
    x = 584,126,170.47/27,979.81
  6. Step 6: Final answer
    x = 20,876.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.