Home / 21,455.03-32,191.81-11,601.27

Finding the Fourth Proportional to 21,455.03, 32,191.81 and 11,601.27

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Solution

The fourth proportional to 21,455.03, 32,191.81 and 11,601.27 is: 17,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.03 : 32,191.81 = 11,601.27 : x
  2. Step 2: Convert to fraction form
    21,455.03/32,191.81 = 11,601.27/x
  3. Step 3: Cross multiply
    21,455.03x = 32,191.81 × 11,601.27
  4. Step 4: Simplify right side
    21,455.03x = 373,465,850.60
  5. Step 5: Solve for x
    x = 373,465,850.60/21,455.03
  6. Step 6: Final answer
    x = 17,406.91

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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.