Home / 27,979.54-41,942.93-13,926.28

Finding the Fourth Proportional to 27,979.54, 41,942.93 and 13,926.28

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Solution

The fourth proportional to 27,979.54, 41,942.93 and 13,926.28 is: 20,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.54 : 41,942.93 = 13,926.28 : x
  2. Step 2: Convert to fraction form
    27,979.54/41,942.93 = 13,926.28/x
  3. Step 3: Cross multiply
    27,979.54x = 41,942.93 × 13,926.28
  4. Step 4: Simplify right side
    27,979.54x = 584,108,970.00
  5. Step 5: Solve for x
    x = 584,108,970.00/27,979.54
  6. Step 6: Final answer
    x = 20,876.29

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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.