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Finding the Fourth Proportional to 27,993.33, 41,979.33 and 9,270.18

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Solution

The fourth proportional to 27,993.33, 41,979.33 and 9,270.18 is: 13,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.33 : 41,979.33 = 9,270.18 : x
  2. Step 2: Convert to fraction form
    27,993.33/41,979.33 = 9,270.18/x
  3. Step 3: Cross multiply
    27,993.33x = 41,979.33 × 9,270.18
  4. Step 4: Simplify right side
    27,993.33x = 389,155,945.38
  5. Step 5: Solve for x
    x = 389,155,945.38/27,993.33
  6. Step 6: Final answer
    x = 13,901.74

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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.