Home / 28,747.75-39,675.54-16,174.93

Finding the Fourth Proportional to 28,747.75, 39,675.54 and 16,174.93

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Solution

The fourth proportional to 28,747.75, 39,675.54 and 16,174.93 is: 22,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.75 : 39,675.54 = 16,174.93 : x
  2. Step 2: Convert to fraction form
    28,747.75/39,675.54 = 16,174.93/x
  3. Step 3: Cross multiply
    28,747.75x = 39,675.54 × 16,174.93
  4. Step 4: Simplify right side
    28,747.75x = 641,749,082.21
  5. Step 5: Solve for x
    x = 641,749,082.21/28,747.75
  6. Step 6: Final answer
    x = 22,323.45

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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.