Home / 28,811.97-39,762.90-16,063.43

Finding the Fourth Proportional to 28,811.97, 39,762.90 and 16,063.43

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Solution

The fourth proportional to 28,811.97, 39,762.90 and 16,063.43 is: 22,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.97 : 39,762.90 = 16,063.43 : x
  2. Step 2: Convert to fraction form
    28,811.97/39,762.90 = 16,063.43/x
  3. Step 3: Cross multiply
    28,811.97x = 39,762.90 × 16,063.43
  4. Step 4: Simplify right side
    28,811.97x = 638,728,361.93
  5. Step 5: Solve for x
    x = 638,728,361.93/28,811.97
  6. Step 6: Final answer
    x = 22,168.85

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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.