Home / 27,327.78-37,716.03-15,393.44

Finding the Fourth Proportional to 27,327.78, 37,716.03 and 15,393.44

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Solution

The fourth proportional to 27,327.78, 37,716.03 and 15,393.44 is: 21,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.78 : 37,716.03 = 15,393.44 : x
  2. Step 2: Convert to fraction form
    27,327.78/37,716.03 = 15,393.44/x
  3. Step 3: Cross multiply
    27,327.78x = 37,716.03 × 15,393.44
  4. Step 4: Simplify right side
    27,327.78x = 580,579,539.13
  5. Step 5: Solve for x
    x = 580,579,539.13/27,327.78
  6. Step 6: Final answer
    x = 21,245.03

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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.