Home / 28,747.76-39,675.56-16,174.92

Finding the Fourth Proportional to 28,747.76, 39,675.56 and 16,174.92

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Solution

The fourth proportional to 28,747.76, 39,675.56 and 16,174.92 is: 22,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.76 : 39,675.56 = 16,174.92 : x
  2. Step 2: Convert to fraction form
    28,747.76/39,675.56 = 16,174.92/x
  3. Step 3: Cross multiply
    28,747.76x = 39,675.56 × 16,174.92
  4. Step 4: Simplify right side
    28,747.76x = 641,749,008.96
  5. Step 5: Solve for x
    x = 641,749,008.96/28,747.76
  6. Step 6: Final answer
    x = 22,323.44

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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.