Home / 27,511.20-41,266.80-19,216.80

Finding the Fourth Proportional to 27,511.20, 41,266.80 and 19,216.80

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Solution

The fourth proportional to 27,511.20, 41,266.80 and 19,216.80 is: 28,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.20 : 41,266.80 = 19,216.80 : x
  2. Step 2: Convert to fraction form
    27,511.20/41,266.80 = 19,216.80/x
  3. Step 3: Cross multiply
    27,511.20x = 41,266.80 × 19,216.80
  4. Step 4: Simplify right side
    27,511.20x = 793,015,842.24
  5. Step 5: Solve for x
    x = 793,015,842.24/27,511.20
  6. Step 6: Final answer
    x = 28,825.20

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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.