Home / 28,764.50-43,084.43-13,942.41

Finding the Fourth Proportional to 28,764.50, 43,084.43 and 13,942.41

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Solution

The fourth proportional to 28,764.50, 43,084.43 and 13,942.41 is: 20,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.50 : 43,084.43 = 13,942.41 : x
  2. Step 2: Convert to fraction form
    28,764.50/43,084.43 = 13,942.41/x
  3. Step 3: Cross multiply
    28,764.50x = 43,084.43 × 13,942.41
  4. Step 4: Simplify right side
    28,764.50x = 600,700,787.68
  5. Step 5: Solve for x
    x = 600,700,787.68/28,764.50
  6. Step 6: Final answer
    x = 20,883.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.