Home / 28,922.15-39,914.59-16,179.54

Finding the Fourth Proportional to 28,922.15, 39,914.59 and 16,179.54

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Solution

The fourth proportional to 28,922.15, 39,914.59 and 16,179.54 is: 22,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.15 : 39,914.59 = 16,179.54 : x
  2. Step 2: Convert to fraction form
    28,922.15/39,914.59 = 16,179.54/x
  3. Step 3: Cross multiply
    28,922.15x = 39,914.59 × 16,179.54
  4. Step 4: Simplify right side
    28,922.15x = 645,799,705.49
  5. Step 5: Solve for x
    x = 645,799,705.49/28,922.15
  6. Step 6: Final answer
    x = 22,328.90

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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.