Home / 28,747.53-39,675.42-16,174.71

Finding the Fourth Proportional to 28,747.53, 39,675.42 and 16,174.71

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Solution

The fourth proportional to 28,747.53, 39,675.42 and 16,174.71 is: 22,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.53 : 39,675.42 = 16,174.71 : x
  2. Step 2: Convert to fraction form
    28,747.53/39,675.42 = 16,174.71/x
  3. Step 3: Cross multiply
    28,747.53x = 39,675.42 × 16,174.71
  4. Step 4: Simplify right side
    28,747.53x = 641,738,412.63
  5. Step 5: Solve for x
    x = 641,738,412.63/28,747.53
  6. Step 6: Final answer
    x = 22,323.25

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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.