Home / 26,401.76-39,622.56-9,777.44

Finding the Fourth Proportional to 26,401.76, 39,622.56 and 9,777.44

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Solution

The fourth proportional to 26,401.76, 39,622.56 and 9,777.44 is: 14,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.76 : 39,622.56 = 9,777.44 : x
  2. Step 2: Convert to fraction form
    26,401.76/39,622.56 = 9,777.44/x
  3. Step 3: Cross multiply
    26,401.76x = 39,622.56 × 9,777.44
  4. Step 4: Simplify right side
    26,401.76x = 387,407,203.05
  5. Step 5: Solve for x
    x = 387,407,203.05/26,401.76
  6. Step 6: Final answer
    x = 14,673.54

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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.