Home / 27,883.80-41,788.78-20,453.47

Finding the Fourth Proportional to 27,883.80, 41,788.78 and 20,453.47

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Solution

The fourth proportional to 27,883.80, 41,788.78 and 20,453.47 is: 30,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.80 : 41,788.78 = 20,453.47 : x
  2. Step 2: Convert to fraction form
    27,883.80/41,788.78 = 20,453.47/x
  3. Step 3: Cross multiply
    27,883.80x = 41,788.78 × 20,453.47
  4. Step 4: Simplify right side
    27,883.80x = 854,725,558.07
  5. Step 5: Solve for x
    x = 854,725,558.07/27,883.80
  6. Step 6: Final answer
    x = 30,653.12

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1.5x scale

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.