Home / 21,369.89-32,027.08-8,704.87

Finding the Fourth Proportional to 21,369.89, 32,027.08 and 8,704.87

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Solution

The fourth proportional to 21,369.89, 32,027.08 and 8,704.87 is: 13,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.89 : 32,027.08 = 8,704.87 : x
  2. Step 2: Convert to fraction form
    21,369.89/32,027.08 = 8,704.87/x
  3. Step 3: Cross multiply
    21,369.89x = 32,027.08 × 8,704.87
  4. Step 4: Simplify right side
    21,369.89x = 278,791,567.88
  5. Step 5: Solve for x
    x = 278,791,567.88/21,369.89
  6. Step 6: Final answer
    x = 13,046.00

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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.