Home / 28,004.40-41,920.20-16,282.80

Finding the Fourth Proportional to 28,004.40, 41,920.20 and 16,282.80

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Solution

The fourth proportional to 28,004.40, 41,920.20 and 16,282.80 is: 24,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.40 : 41,920.20 = 16,282.80 : x
  2. Step 2: Convert to fraction form
    28,004.40/41,920.20 = 16,282.80/x
  3. Step 3: Cross multiply
    28,004.40x = 41,920.20 × 16,282.80
  4. Step 4: Simplify right side
    28,004.40x = 682,578,232.56
  5. Step 5: Solve for x
    x = 682,578,232.56/28,004.40
  6. Step 6: Final answer
    x = 24,373.96

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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.