Home / 27,330.86-37,716.42-15,398.04

Finding the Fourth Proportional to 27,330.86, 37,716.42 and 15,398.04

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Solution

The fourth proportional to 27,330.86, 37,716.42 and 15,398.04 is: 21,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.86 : 37,716.42 = 15,398.04 : x
  2. Step 2: Convert to fraction form
    27,330.86/37,716.42 = 15,398.04/x
  3. Step 3: Cross multiply
    27,330.86x = 37,716.42 × 15,398.04
  4. Step 4: Simplify right side
    27,330.86x = 580,759,015.27
  5. Step 5: Solve for x
    x = 580,759,015.27/27,330.86
  6. Step 6: Final answer
    x = 21,249.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.