Home / 28,519.12-39,361.25-16,589.38

Finding the Fourth Proportional to 28,519.12, 39,361.25 and 16,589.38

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Solution

The fourth proportional to 28,519.12, 39,361.25 and 16,589.38 is: 22,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.12 : 39,361.25 = 16,589.38 : x
  2. Step 2: Convert to fraction form
    28,519.12/39,361.25 = 16,589.38/x
  3. Step 3: Cross multiply
    28,519.12x = 39,361.25 × 16,589.38
  4. Step 4: Simplify right side
    28,519.12x = 652,978,733.53
  5. Step 5: Solve for x
    x = 652,978,733.53/28,519.12
  6. Step 6: Final answer
    x = 22,896.17

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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.