Home / 27,784.03-41,638.77-17,918.23

Finding the Fourth Proportional to 27,784.03, 41,638.77 and 17,918.23

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Solution

The fourth proportional to 27,784.03, 41,638.77 and 17,918.23 is: 26,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.03 : 41,638.77 = 17,918.23 : x
  2. Step 2: Convert to fraction form
    27,784.03/41,638.77 = 17,918.23/x
  3. Step 3: Cross multiply
    27,784.03x = 41,638.77 × 17,918.23
  4. Step 4: Simplify right side
    27,784.03x = 746,093,057.78
  5. Step 5: Solve for x
    x = 746,093,057.78/27,784.03
  6. Step 6: Final answer
    x = 26,853.31

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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.