Home / 27,914.70-41,835.60-20,114.40

Finding the Fourth Proportional to 27,914.70, 41,835.60 and 20,114.40

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Solution

The fourth proportional to 27,914.70, 41,835.60 and 20,114.40 is: 30,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,914.70 : 41,835.60 = 20,114.40 : x
  2. Step 2: Convert to fraction form
    27,914.70/41,835.60 = 20,114.40/x
  3. Step 3: Cross multiply
    27,914.70x = 41,835.60 × 20,114.40
  4. Step 4: Simplify right side
    27,914.70x = 841,497,992.64
  5. Step 5: Solve for x
    x = 841,497,992.64/27,914.70
  6. Step 6: Final answer
    x = 30,145.34

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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.