Home / 26,653.53-36,781.63-14,716.61

Finding the Fourth Proportional to 26,653.53, 36,781.63 and 14,716.61

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Solution

The fourth proportional to 26,653.53, 36,781.63 and 14,716.61 is: 20,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.53 : 36,781.63 = 14,716.61 : x
  2. Step 2: Convert to fraction form
    26,653.53/36,781.63 = 14,716.61/x
  3. Step 3: Cross multiply
    26,653.53x = 36,781.63 × 14,716.61
  4. Step 4: Simplify right side
    26,653.53x = 541,300,683.17
  5. Step 5: Solve for x
    x = 541,300,683.17/26,653.53
  6. Step 6: Final answer
    x = 20,308.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.