Home / 28,708.48-43,024.92-15,379.93

Finding the Fourth Proportional to 28,708.48, 43,024.92 and 15,379.93

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Solution

The fourth proportional to 28,708.48, 43,024.92 and 15,379.93 is: 23,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.48 : 43,024.92 = 15,379.93 : x
  2. Step 2: Convert to fraction form
    28,708.48/43,024.92 = 15,379.93/x
  3. Step 3: Cross multiply
    28,708.48x = 43,024.92 × 15,379.93
  4. Step 4: Simplify right side
    28,708.48x = 661,720,257.86
  5. Step 5: Solve for x
    x = 661,720,257.86/28,708.48
  6. Step 6: Final answer
    x = 23,049.64

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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.