Home / 26,878.96-40,318.99-9,781.26

Finding the Fourth Proportional to 26,878.96, 40,318.99 and 9,781.26

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Solution

The fourth proportional to 26,878.96, 40,318.99 and 9,781.26 is: 14,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.96 : 40,318.99 = 9,781.26 : x
  2. Step 2: Convert to fraction form
    26,878.96/40,318.99 = 9,781.26/x
  3. Step 3: Cross multiply
    26,878.96x = 40,318.99 × 9,781.26
  4. Step 4: Simplify right side
    26,878.96x = 394,370,524.13
  5. Step 5: Solve for x
    x = 394,370,524.13/26,878.96
  6. Step 6: Final answer
    x = 14,672.09

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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.