Home / 28,945.98-43,407.90-10,222.52

Finding the Fourth Proportional to 28,945.98, 43,407.90 and 10,222.52

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Solution

The fourth proportional to 28,945.98, 43,407.90 and 10,222.52 is: 15,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.98 : 43,407.90 = 10,222.52 : x
  2. Step 2: Convert to fraction form
    28,945.98/43,407.90 = 10,222.52/x
  3. Step 3: Cross multiply
    28,945.98x = 43,407.90 × 10,222.52
  4. Step 4: Simplify right side
    28,945.98x = 443,737,908.87
  5. Step 5: Solve for x
    x = 443,737,908.87/28,945.98
  6. Step 6: Final answer
    x = 15,329.86

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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.