Home / 27,448.82-37,860.26-21,775.62

Finding the Fourth Proportional to 27,448.82, 37,860.26 and 21,775.62

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Solution

The fourth proportional to 27,448.82, 37,860.26 and 21,775.62 is: 30,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.82 : 37,860.26 = 21,775.62 : x
  2. Step 2: Convert to fraction form
    27,448.82/37,860.26 = 21,775.62/x
  3. Step 3: Cross multiply
    27,448.82x = 37,860.26 × 21,775.62
  4. Step 4: Simplify right side
    27,448.82x = 824,430,634.86
  5. Step 5: Solve for x
    x = 824,430,634.86/27,448.82
  6. Step 6: Final answer
    x = 30,035.19

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1.5x scale

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.