Home / 28,824.68-39,787.98-16,891.88

Finding the Fourth Proportional to 28,824.68, 39,787.98 and 16,891.88

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Solution

The fourth proportional to 28,824.68, 39,787.98 and 16,891.88 is: 23,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.68 : 39,787.98 = 16,891.88 : x
  2. Step 2: Convert to fraction form
    28,824.68/39,787.98 = 16,891.88/x
  3. Step 3: Cross multiply
    28,824.68x = 39,787.98 × 16,891.88
  4. Step 4: Simplify right side
    28,824.68x = 672,093,783.60
  5. Step 5: Solve for x
    x = 672,093,783.60/28,824.68
  6. Step 6: Final answer
    x = 23,316.61

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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.