Home / 28,874.70-43,279.17-12,224.34

Finding the Fourth Proportional to 28,874.70, 43,279.17 and 12,224.34

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Solution

The fourth proportional to 28,874.70, 43,279.17 and 12,224.34 is: 18,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.70 : 43,279.17 = 12,224.34 : x
  2. Step 2: Convert to fraction form
    28,874.70/43,279.17 = 12,224.34/x
  3. Step 3: Cross multiply
    28,874.70x = 43,279.17 × 12,224.34
  4. Step 4: Simplify right side
    28,874.70x = 529,059,289.00
  5. Step 5: Solve for x
    x = 529,059,289.00/28,874.70
  6. Step 6: Final answer
    x = 18,322.59

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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.