Home / 26,194.52-39,299.43-8,424.78

Finding the Fourth Proportional to 26,194.52, 39,299.43 and 8,424.78

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Solution

The fourth proportional to 26,194.52, 39,299.43 and 8,424.78 is: 12,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,194.52 : 39,299.43 = 8,424.78 : x
  2. Step 2: Convert to fraction form
    26,194.52/39,299.43 = 8,424.78/x
  3. Step 3: Cross multiply
    26,194.52x = 39,299.43 × 8,424.78
  4. Step 4: Simplify right side
    26,194.52x = 331,089,090.04
  5. Step 5: Solve for x
    x = 331,089,090.04/26,194.52
  6. Step 6: Final answer
    x = 12,639.63

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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.