Home / 27,556.62-38,028.95-15,619.56

Finding the Fourth Proportional to 27,556.62, 38,028.95 and 15,619.56

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Solution

The fourth proportional to 27,556.62, 38,028.95 and 15,619.56 is: 21,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.62 : 38,028.95 = 15,619.56 : x
  2. Step 2: Convert to fraction form
    27,556.62/38,028.95 = 15,619.56/x
  3. Step 3: Cross multiply
    27,556.62x = 38,028.95 × 15,619.56
  4. Step 4: Simplify right side
    27,556.62x = 593,995,388.16
  5. Step 5: Solve for x
    x = 593,995,388.16/27,556.62
  6. Step 6: Final answer
    x = 21,555.45

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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.