Home / 28,704.87-43,057.38-8,714.52

Finding the Fourth Proportional to 28,704.87, 43,057.38 and 8,714.52

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Solution

The fourth proportional to 28,704.87, 43,057.38 and 8,714.52 is: 13,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.87 : 43,057.38 = 8,714.52 : x
  2. Step 2: Convert to fraction form
    28,704.87/43,057.38 = 8,714.52/x
  3. Step 3: Cross multiply
    28,704.87x = 43,057.38 × 8,714.52
  4. Step 4: Simplify right side
    28,704.87x = 375,224,399.16
  5. Step 5: Solve for x
    x = 375,224,399.16/28,704.87
  6. Step 6: Final answer
    x = 13,071.80

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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.