Home / 28,134.60-42,173.10-16,441.80

Finding the Fourth Proportional to 28,134.60, 42,173.10 and 16,441.80

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Solution

The fourth proportional to 28,134.60, 42,173.10 and 16,441.80 is: 24,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.60 : 42,173.10 = 16,441.80 : x
  2. Step 2: Convert to fraction form
    28,134.60/42,173.10 = 16,441.80/x
  3. Step 3: Cross multiply
    28,134.60x = 42,173.10 × 16,441.80
  4. Step 4: Simplify right side
    28,134.60x = 693,401,675.58
  5. Step 5: Solve for x
    x = 693,401,675.58/28,134.60
  6. Step 6: Final answer
    x = 24,645.87

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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.