Home / 28,749.87-39,674.18-16,650.83

Finding the Fourth Proportional to 28,749.87, 39,674.18 and 16,650.83

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Solution

The fourth proportional to 28,749.87, 39,674.18 and 16,650.83 is: 22,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.87 : 39,674.18 = 16,650.83 : x
  2. Step 2: Convert to fraction form
    28,749.87/39,674.18 = 16,650.83/x
  3. Step 3: Cross multiply
    28,749.87x = 39,674.18 × 16,650.83
  4. Step 4: Simplify right side
    28,749.87x = 660,607,744.94
  5. Step 5: Solve for x
    x = 660,607,744.94/28,749.87
  6. Step 6: Final answer
    x = 22,977.76

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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.