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Finding the Fourth Proportional to 21,000.67, 31,506.00 and 6,008.01

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Solution

The fourth proportional to 21,000.67, 31,506.00 and 6,008.01 is: 9,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000.67 : 31,506.00 = 6,008.01 : x
  2. Step 2: Convert to fraction form
    21,000.67/31,506.00 = 6,008.01/x
  3. Step 3: Cross multiply
    21,000.67x = 31,506.00 × 6,008.01
  4. Step 4: Simplify right side
    21,000.67x = 189,288,222.38
  5. Step 5: Solve for x
    x = 189,288,222.38/21,000.67
  6. Step 6: Final answer
    x = 9,013.44

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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.