Home / 28,596.99-39,463.20-16,659.57

Finding the Fourth Proportional to 28,596.99, 39,463.20 and 16,659.57

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Solution

The fourth proportional to 28,596.99, 39,463.20 and 16,659.57 is: 22,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.99 : 39,463.20 = 16,659.57 : x
  2. Step 2: Convert to fraction form
    28,596.99/39,463.20 = 16,659.57/x
  3. Step 3: Cross multiply
    28,596.99x = 39,463.20 × 16,659.57
  4. Step 4: Simplify right side
    28,596.99x = 657,439,942.82
  5. Step 5: Solve for x
    x = 657,439,942.82/28,596.99
  6. Step 6: Final answer
    x = 22,989.83

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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.