Home / 28,998.74-43,514.26-15,671.48

Finding the Fourth Proportional to 28,998.74, 43,514.26 and 15,671.48

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Solution

The fourth proportional to 28,998.74, 43,514.26 and 15,671.48 is: 23,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.74 : 43,514.26 = 15,671.48 : x
  2. Step 2: Convert to fraction form
    28,998.74/43,514.26 = 15,671.48/x
  3. Step 3: Cross multiply
    28,998.74x = 43,514.26 × 15,671.48
  4. Step 4: Simplify right side
    28,998.74x = 681,932,598.55
  5. Step 5: Solve for x
    x = 681,932,598.55/28,998.74
  6. Step 6: Final answer
    x = 23,515.94

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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.