Home / 28,054.58-38,716.58-16,121.66

Finding the Fourth Proportional to 28,054.58, 38,716.58 and 16,121.66

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Solution

The fourth proportional to 28,054.58, 38,716.58 and 16,121.66 is: 22,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.58 : 38,716.58 = 16,121.66 : x
  2. Step 2: Convert to fraction form
    28,054.58/38,716.58 = 16,121.66/x
  3. Step 3: Cross multiply
    28,054.58x = 38,716.58 × 16,121.66
  4. Step 4: Simplify right side
    28,054.58x = 624,175,385.84
  5. Step 5: Solve for x
    x = 624,175,385.84/28,054.58
  6. Step 6: Final answer
    x = 22,248.61

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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.