Home / 27,820.35-41,701.36-10,278.99

Finding the Fourth Proportional to 27,820.35, 41,701.36 and 10,278.99

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Solution

The fourth proportional to 27,820.35, 41,701.36 and 10,278.99 is: 15,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.35 : 41,701.36 = 10,278.99 : x
  2. Step 2: Convert to fraction form
    27,820.35/41,701.36 = 10,278.99/x
  3. Step 3: Cross multiply
    27,820.35x = 41,701.36 × 10,278.99
  4. Step 4: Simplify right side
    27,820.35x = 428,647,771.02
  5. Step 5: Solve for x
    x = 428,647,771.02/27,820.35
  6. Step 6: Final answer
    x = 15,407.71

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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.