Home / 17,021.59-25,483.05-15,218.56

Finding the Fourth Proportional to 17,021.59, 25,483.05 and 15,218.56

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Solution

The fourth proportional to 17,021.59, 25,483.05 and 15,218.56 is: 22,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.59 : 25,483.05 = 15,218.56 : x
  2. Step 2: Convert to fraction form
    17,021.59/25,483.05 = 15,218.56/x
  3. Step 3: Cross multiply
    17,021.59x = 25,483.05 × 15,218.56
  4. Step 4: Simplify right side
    17,021.59x = 387,815,213.92
  5. Step 5: Solve for x
    x = 387,815,213.92/17,021.59
  6. Step 6: Final answer
    x = 22,783.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.