Home / 27,556.65-38,028.62-15,619.73

Finding the Fourth Proportional to 27,556.65, 38,028.62 and 15,619.73

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Solution

The fourth proportional to 27,556.65, 38,028.62 and 15,619.73 is: 21,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.65 : 38,028.62 = 15,619.73 : x
  2. Step 2: Convert to fraction form
    27,556.65/38,028.62 = 15,619.73/x
  3. Step 3: Cross multiply
    27,556.65x = 38,028.62 × 15,619.73
  4. Step 4: Simplify right side
    27,556.65x = 593,996,793.65
  5. Step 5: Solve for x
    x = 593,996,793.65/27,556.65
  6. Step 6: Final answer
    x = 21,555.48

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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.