Home / 28,233.82-38,957.52-16,292.80

Finding the Fourth Proportional to 28,233.82, 38,957.52 and 16,292.80

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Solution

The fourth proportional to 28,233.82, 38,957.52 and 16,292.80 is: 22,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.82 : 38,957.52 = 16,292.80 : x
  2. Step 2: Convert to fraction form
    28,233.82/38,957.52 = 16,292.80/x
  3. Step 3: Cross multiply
    28,233.82x = 38,957.52 × 16,292.80
  4. Step 4: Simplify right side
    28,233.82x = 634,727,081.86
  5. Step 5: Solve for x
    x = 634,727,081.86/28,233.82
  6. Step 6: Final answer
    x = 22,481.09

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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.