Home / 26,829.70-40,250.31-8,108.26

Finding the Fourth Proportional to 26,829.70, 40,250.31 and 8,108.26

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Solution

The fourth proportional to 26,829.70, 40,250.31 and 8,108.26 is: 12,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.70 : 40,250.31 = 8,108.26 : x
  2. Step 2: Convert to fraction form
    26,829.70/40,250.31 = 8,108.26/x
  3. Step 3: Cross multiply
    26,829.70x = 40,250.31 × 8,108.26
  4. Step 4: Simplify right side
    26,829.70x = 326,359,978.56
  5. Step 5: Solve for x
    x = 326,359,978.56/26,829.70
  6. Step 6: Final answer
    x = 12,164.13

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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.