Home / 28,714.19-43,072.09-7,937.69

Finding the Fourth Proportional to 28,714.19, 43,072.09 and 7,937.69

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Solution

The fourth proportional to 28,714.19, 43,072.09 and 7,937.69 is: 11,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.19 : 43,072.09 = 7,937.69 : x
  2. Step 2: Convert to fraction form
    28,714.19/43,072.09 = 7,937.69/x
  3. Step 3: Cross multiply
    28,714.19x = 43,072.09 × 7,937.69
  4. Step 4: Simplify right side
    28,714.19x = 341,892,662.87
  5. Step 5: Solve for x
    x = 341,892,662.87/28,714.19
  6. Step 6: Final answer
    x = 11,906.75

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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.