Home / 26,409.20-39,615.24-6,687.93

Finding the Fourth Proportional to 26,409.20, 39,615.24 and 6,687.93

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Solution

The fourth proportional to 26,409.20, 39,615.24 and 6,687.93 is: 10,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.20 : 39,615.24 = 6,687.93 : x
  2. Step 2: Convert to fraction form
    26,409.20/39,615.24 = 6,687.93/x
  3. Step 3: Cross multiply
    26,409.20x = 39,615.24 × 6,687.93
  4. Step 4: Simplify right side
    26,409.20x = 264,943,720.54
  5. Step 5: Solve for x
    x = 264,943,720.54/26,409.20
  6. Step 6: Final answer
    x = 10,032.25

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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.