Home / 35,481.88-48,940.38-28,767.76

Finding the Fourth Proportional to 35,481.88, 48,940.38 and 28,767.76

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Solution

The fourth proportional to 35,481.88, 48,940.38 and 28,767.76 is: 39,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.88 : 48,940.38 = 28,767.76 : x
  2. Step 2: Convert to fraction form
    35,481.88/48,940.38 = 28,767.76/x
  3. Step 3: Cross multiply
    35,481.88x = 48,940.38 × 28,767.76
  4. Step 4: Simplify right side
    35,481.88x = 1,407,905,106.15
  5. Step 5: Solve for x
    x = 1,407,905,106.15/35,481.88
  6. Step 6: Final answer
    x = 39,679.55

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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.