Home / 21,204.09-31,803.71-5,622.93

Finding the Fourth Proportional to 21,204.09, 31,803.71 and 5,622.93

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Solution

The fourth proportional to 21,204.09, 31,803.71 and 5,622.93 is: 8,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.09 : 31,803.71 = 5,622.93 : x
  2. Step 2: Convert to fraction form
    21,204.09/31,803.71 = 5,622.93/x
  3. Step 3: Cross multiply
    21,204.09x = 31,803.71 × 5,622.93
  4. Step 4: Simplify right side
    21,204.09x = 178,830,006.96
  5. Step 5: Solve for x
    x = 178,830,006.96/21,204.09
  6. Step 6: Final answer
    x = 8,433.75

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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.