Home / 26,523.07-39,782.49-15,422.68

Finding the Fourth Proportional to 26,523.07, 39,782.49 and 15,422.68

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Solution

The fourth proportional to 26,523.07, 39,782.49 and 15,422.68 is: 23,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.07 : 39,782.49 = 15,422.68 : x
  2. Step 2: Convert to fraction form
    26,523.07/39,782.49 = 15,422.68/x
  3. Step 3: Cross multiply
    26,523.07x = 39,782.49 × 15,422.68
  4. Step 4: Simplify right side
    26,523.07x = 613,552,612.87
  5. Step 5: Solve for x
    x = 613,552,612.87/26,523.07
  6. Step 6: Final answer
    x = 23,132.79

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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.