Home / 27,620.22-38,109.27-16,288.80

Finding the Fourth Proportional to 27,620.22, 38,109.27 and 16,288.80

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Solution

The fourth proportional to 27,620.22, 38,109.27 and 16,288.80 is: 22,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.22 : 38,109.27 = 16,288.80 : x
  2. Step 2: Convert to fraction form
    27,620.22/38,109.27 = 16,288.80/x
  3. Step 3: Cross multiply
    27,620.22x = 38,109.27 × 16,288.80
  4. Step 4: Simplify right side
    27,620.22x = 620,754,277.18
  5. Step 5: Solve for x
    x = 620,754,277.18/27,620.22
  6. Step 6: Final answer
    x = 22,474.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.