Home / 28,997.26-43,503.17-8,220.76

Finding the Fourth Proportional to 28,997.26, 43,503.17 and 8,220.76

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Solution

The fourth proportional to 28,997.26, 43,503.17 and 8,220.76 is: 12,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.26 : 43,503.17 = 8,220.76 : x
  2. Step 2: Convert to fraction form
    28,997.26/43,503.17 = 8,220.76/x
  3. Step 3: Cross multiply
    28,997.26x = 43,503.17 × 8,220.76
  4. Step 4: Simplify right side
    28,997.26x = 357,629,119.81
  5. Step 5: Solve for x
    x = 357,629,119.81/28,997.26
  6. Step 6: Final answer
    x = 12,333.20

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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.