Home / 28,194.23-38,912.18-16,255.23

Finding the Fourth Proportional to 28,194.23, 38,912.18 and 16,255.23

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Solution

The fourth proportional to 28,194.23, 38,912.18 and 16,255.23 is: 22,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.23 : 38,912.18 = 16,255.23 : x
  2. Step 2: Convert to fraction form
    28,194.23/38,912.18 = 16,255.23/x
  3. Step 3: Cross multiply
    28,194.23x = 38,912.18 × 16,255.23
  4. Step 4: Simplify right side
    28,194.23x = 632,526,354.43
  5. Step 5: Solve for x
    x = 632,526,354.43/28,194.23
  6. Step 6: Final answer
    x = 22,434.61

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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.