Home / 28,738.75-39,659.48-16,163.50

Finding the Fourth Proportional to 28,738.75, 39,659.48 and 16,163.50

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Solution

The fourth proportional to 28,738.75, 39,659.48 and 16,163.50 is: 22,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.75 : 39,659.48 = 16,163.50 : x
  2. Step 2: Convert to fraction form
    28,738.75/39,659.48 = 16,163.50/x
  3. Step 3: Cross multiply
    28,738.75x = 39,659.48 × 16,163.50
  4. Step 4: Simplify right side
    28,738.75x = 641,036,004.98
  5. Step 5: Solve for x
    x = 641,036,004.98/28,738.75
  6. Step 6: Final answer
    x = 22,305.63

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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.