Home / 22,273.77-30,738.55-15,015.57

Finding the Fourth Proportional to 22,273.77, 30,738.55 and 15,015.57

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Solution

The fourth proportional to 22,273.77, 30,738.55 and 15,015.57 is: 20,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.77 : 30,738.55 = 15,015.57 : x
  2. Step 2: Convert to fraction form
    22,273.77/30,738.55 = 15,015.57/x
  3. Step 3: Cross multiply
    22,273.77x = 30,738.55 × 15,015.57
  4. Step 4: Simplify right side
    22,273.77x = 461,556,849.22
  5. Step 5: Solve for x
    x = 461,556,849.22/22,273.77
  6. Step 6: Final answer
    x = 20,721.99

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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.