Home / 28,752.18-39,675.87-16,174.50

Finding the Fourth Proportional to 28,752.18, 39,675.87 and 16,174.50

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Solution

The fourth proportional to 28,752.18, 39,675.87 and 16,174.50 is: 22,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.18 : 39,675.87 = 16,174.50 : x
  2. Step 2: Convert to fraction form
    28,752.18/39,675.87 = 16,174.50/x
  3. Step 3: Cross multiply
    28,752.18x = 39,675.87 × 16,174.50
  4. Step 4: Simplify right side
    28,752.18x = 641,737,359.32
  5. Step 5: Solve for x
    x = 641,737,359.32/28,752.18
  6. Step 6: Final answer
    x = 22,319.61

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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.