Home / 27,986.60-41,979.90-26,382.80

Finding the Fourth Proportional to 27,986.60, 41,979.90 and 26,382.80

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Solution

The fourth proportional to 27,986.60, 41,979.90 and 26,382.80 is: 39,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.60 : 41,979.90 = 26,382.80 : x
  2. Step 2: Convert to fraction form
    27,986.60/41,979.90 = 26,382.80/x
  3. Step 3: Cross multiply
    27,986.60x = 41,979.90 × 26,382.80
  4. Step 4: Simplify right side
    27,986.60x = 1,107,547,305.72
  5. Step 5: Solve for x
    x = 1,107,547,305.72/27,986.60
  6. Step 6: Final answer
    x = 39,574.20

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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.