Home / 21,936.63-32,881.44-15,677.67

Finding the Fourth Proportional to 21,936.63, 32,881.44 and 15,677.67

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Solution

The fourth proportional to 21,936.63, 32,881.44 and 15,677.67 is: 23,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.63 : 32,881.44 = 15,677.67 : x
  2. Step 2: Convert to fraction form
    21,936.63/32,881.44 = 15,677.67/x
  3. Step 3: Cross multiply
    21,936.63x = 32,881.44 × 15,677.67
  4. Step 4: Simplify right side
    21,936.63x = 515,504,365.44
  5. Step 5: Solve for x
    x = 515,504,365.44/21,936.63
  6. Step 6: Final answer
    x = 23,499.71

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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.