Home / 28,174.40-42,175.20-16,452.80

Finding the Fourth Proportional to 28,174.40, 42,175.20 and 16,452.80

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Solution

The fourth proportional to 28,174.40, 42,175.20 and 16,452.80 is: 24,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.40 : 42,175.20 = 16,452.80 : x
  2. Step 2: Convert to fraction form
    28,174.40/42,175.20 = 16,452.80/x
  3. Step 3: Cross multiply
    28,174.40x = 42,175.20 × 16,452.80
  4. Step 4: Simplify right side
    28,174.40x = 693,900,130.56
  5. Step 5: Solve for x
    x = 693,900,130.56/28,174.40
  6. Step 6: Final answer
    x = 24,628.75

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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.