Home / 27,862.30-41,781.30-11,216.80

Finding the Fourth Proportional to 27,862.30, 41,781.30 and 11,216.80

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Solution

The fourth proportional to 27,862.30, 41,781.30 and 11,216.80 is: 16,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.30 : 41,781.30 = 11,216.80 : x
  2. Step 2: Convert to fraction form
    27,862.30/41,781.30 = 11,216.80/x
  3. Step 3: Cross multiply
    27,862.30x = 41,781.30 × 11,216.80
  4. Step 4: Simplify right side
    27,862.30x = 468,652,485.84
  5. Step 5: Solve for x
    x = 468,652,485.84/27,862.30
  6. Step 6: Final answer
    x = 16,820.31

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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.