Home / 27,958.44-38,583.36-15,212.36

Finding the Fourth Proportional to 27,958.44, 38,583.36 and 15,212.36

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Solution

The fourth proportional to 27,958.44, 38,583.36 and 15,212.36 is: 20,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.44 : 38,583.36 = 15,212.36 : x
  2. Step 2: Convert to fraction form
    27,958.44/38,583.36 = 15,212.36/x
  3. Step 3: Cross multiply
    27,958.44x = 38,583.36 × 15,212.36
  4. Step 4: Simplify right side
    27,958.44x = 586,943,962.33
  5. Step 5: Solve for x
    x = 586,943,962.33/27,958.44
  6. Step 6: Final answer
    x = 20,993.44

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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.