Home / 27,102.84-40,624.60-13,956

Finding the Fourth Proportional to 27,102.84, 40,624.60 and 13,956

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Solution

The fourth proportional to 27,102.84, 40,624.60 and 13,956 is: 20,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.84 : 40,624.60 = 13,956 : x
  2. Step 2: Convert to fraction form
    27,102.84/40,624.60 = 13,956/x
  3. Step 3: Cross multiply
    27,102.84x = 40,624.60 × 13,956
  4. Step 4: Simplify right side
    27,102.84x = 566,956,917.60
  5. Step 5: Solve for x
    x = 566,956,917.60/27,102.84
  6. Step 6: Final answer
    x = 20,918.73

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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.