Home / 28,194.84-38,910.60-16,257.96

Finding the Fourth Proportional to 28,194.84, 38,910.60 and 16,257.96

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Solution

The fourth proportional to 28,194.84, 38,910.60 and 16,257.96 is: 22,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.84 : 38,910.60 = 16,257.96 : x
  2. Step 2: Convert to fraction form
    28,194.84/38,910.60 = 16,257.96/x
  3. Step 3: Cross multiply
    28,194.84x = 38,910.60 × 16,257.96
  4. Step 4: Simplify right side
    28,194.84x = 632,606,978.38
  5. Step 5: Solve for x
    x = 632,606,978.38/28,194.84
  6. Step 6: Final answer
    x = 22,436.98

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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.