Home / 28,722.86-43,103.75-10,002.79

Finding the Fourth Proportional to 28,722.86, 43,103.75 and 10,002.79

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Solution

The fourth proportional to 28,722.86, 43,103.75 and 10,002.79 is: 15,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.86 : 43,103.75 = 10,002.79 : x
  2. Step 2: Convert to fraction form
    28,722.86/43,103.75 = 10,002.79/x
  3. Step 3: Cross multiply
    28,722.86x = 43,103.75 × 10,002.79
  4. Step 4: Simplify right side
    28,722.86x = 431,157,759.46
  5. Step 5: Solve for x
    x = 431,157,759.46/28,722.86
  6. Step 6: Final answer
    x = 15,010.96

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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.