Home / 21,049.04-31,583.28-9,369.92

Finding the Fourth Proportional to 21,049.04, 31,583.28 and 9,369.92

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Solution

The fourth proportional to 21,049.04, 31,583.28 and 9,369.92 is: 14,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.04 : 31,583.28 = 9,369.92 : x
  2. Step 2: Convert to fraction form
    21,049.04/31,583.28 = 9,369.92/x
  3. Step 3: Cross multiply
    21,049.04x = 31,583.28 × 9,369.92
  4. Step 4: Simplify right side
    21,049.04x = 295,932,806.94
  5. Step 5: Solve for x
    x = 295,932,806.94/21,049.04
  6. Step 6: Final answer
    x = 14,059.21

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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.