Home / 27,979.10-41,968.77-11,339.45

Finding the Fourth Proportional to 27,979.10, 41,968.77 and 11,339.45

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Solution

The fourth proportional to 27,979.10, 41,968.77 and 11,339.45 is: 17,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.10 : 41,968.77 = 11,339.45 : x
  2. Step 2: Convert to fraction form
    27,979.10/41,968.77 = 11,339.45/x
  3. Step 3: Cross multiply
    27,979.10x = 41,968.77 × 11,339.45
  4. Step 4: Simplify right side
    27,979.10x = 475,902,768.98
  5. Step 5: Solve for x
    x = 475,902,768.98/27,979.10
  6. Step 6: Final answer
    x = 17,009.22

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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.