Home / 28,635.75-39,517.38-16,060.50

Finding the Fourth Proportional to 28,635.75, 39,517.38 and 16,060.50

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Solution

The fourth proportional to 28,635.75, 39,517.38 and 16,060.50 is: 22,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.75 : 39,517.38 = 16,060.50 : x
  2. Step 2: Convert to fraction form
    28,635.75/39,517.38 = 16,060.50/x
  3. Step 3: Cross multiply
    28,635.75x = 39,517.38 × 16,060.50
  4. Step 4: Simplify right side
    28,635.75x = 634,668,881.49
  5. Step 5: Solve for x
    x = 634,668,881.49/28,635.75
  6. Step 6: Final answer
    x = 22,163.52

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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.