Home / 26,135.26-39,164.61-12,961.32

Finding the Fourth Proportional to 26,135.26, 39,164.61 and 12,961.32

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Solution

The fourth proportional to 26,135.26, 39,164.61 and 12,961.32 is: 19,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.26 : 39,164.61 = 12,961.32 : x
  2. Step 2: Convert to fraction form
    26,135.26/39,164.61 = 12,961.32/x
  3. Step 3: Cross multiply
    26,135.26x = 39,164.61 × 12,961.32
  4. Step 4: Simplify right side
    26,135.26x = 507,624,944.62
  5. Step 5: Solve for x
    x = 507,624,944.62/26,135.26
  6. Step 6: Final answer
    x = 19,422.99

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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.