Home / 28,350.99-42,512.20-16,508.59

Finding the Fourth Proportional to 28,350.99, 42,512.20 and 16,508.59

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Solution

The fourth proportional to 28,350.99, 42,512.20 and 16,508.59 is: 24,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.99 : 42,512.20 = 16,508.59 : x
  2. Step 2: Convert to fraction form
    28,350.99/42,512.20 = 16,508.59/x
  3. Step 3: Cross multiply
    28,350.99x = 42,512.20 × 16,508.59
  4. Step 4: Simplify right side
    28,350.99x = 701,816,479.80
  5. Step 5: Solve for x
    x = 701,816,479.80/28,350.99
  6. Step 6: Final answer
    x = 24,754.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.