Home / 26,653.14-36,781.40-14,716.50

Finding the Fourth Proportional to 26,653.14, 36,781.40 and 14,716.50

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Solution

The fourth proportional to 26,653.14, 36,781.40 and 14,716.50 is: 20,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.14 : 36,781.40 = 14,716.50 : x
  2. Step 2: Convert to fraction form
    26,653.14/36,781.40 = 14,716.50/x
  3. Step 3: Cross multiply
    26,653.14x = 36,781.40 × 14,716.50
  4. Step 4: Simplify right side
    26,653.14x = 541,293,473.10
  5. Step 5: Solve for x
    x = 541,293,473.10/26,653.14
  6. Step 6: Final answer
    x = 20,308.81

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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.