Home / 26,435.48-39,648.72-8,665.79

Finding the Fourth Proportional to 26,435.48, 39,648.72 and 8,665.79

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Solution

The fourth proportional to 26,435.48, 39,648.72 and 8,665.79 is: 12,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.48 : 39,648.72 = 8,665.79 : x
  2. Step 2: Convert to fraction form
    26,435.48/39,648.72 = 8,665.79/x
  3. Step 3: Cross multiply
    26,435.48x = 39,648.72 × 8,665.79
  4. Step 4: Simplify right side
    26,435.48x = 343,587,481.29
  5. Step 5: Solve for x
    x = 343,587,481.29/26,435.48
  6. Step 6: Final answer
    x = 12,997.21

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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.