Home / 28,779.53-39,716.42-16,033.56

Finding the Fourth Proportional to 28,779.53, 39,716.42 and 16,033.56

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Solution

The fourth proportional to 28,779.53, 39,716.42 and 16,033.56 is: 22,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.53 : 39,716.42 = 16,033.56 : x
  2. Step 2: Convert to fraction form
    28,779.53/39,716.42 = 16,033.56/x
  3. Step 3: Cross multiply
    28,779.53x = 39,716.42 × 16,033.56
  4. Step 4: Simplify right side
    28,779.53x = 636,795,522.89
  5. Step 5: Solve for x
    x = 636,795,522.89/28,779.53
  6. Step 6: Final answer
    x = 22,126.69

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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.