Home / 21,845.27-32,767.99-6,647.98

Finding the Fourth Proportional to 21,845.27, 32,767.99 and 6,647.98

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Solution

The fourth proportional to 21,845.27, 32,767.99 and 6,647.98 is: 9,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.27 : 32,767.99 = 6,647.98 : x
  2. Step 2: Convert to fraction form
    21,845.27/32,767.99 = 6,647.98/x
  3. Step 3: Cross multiply
    21,845.27x = 32,767.99 × 6,647.98
  4. Step 4: Simplify right side
    21,845.27x = 217,840,908.92
  5. Step 5: Solve for x
    x = 217,840,908.92/21,845.27
  6. Step 6: Final answer
    x = 9,972.00

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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.