Home / 28,747.70-43,125.60-9,024.20

Finding the Fourth Proportional to 28,747.70, 43,125.60 and 9,024.20

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Solution

The fourth proportional to 28,747.70, 43,125.60 and 9,024.20 is: 13,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.70 : 43,125.60 = 9,024.20 : x
  2. Step 2: Convert to fraction form
    28,747.70/43,125.60 = 9,024.20/x
  3. Step 3: Cross multiply
    28,747.70x = 43,125.60 × 9,024.20
  4. Step 4: Simplify right side
    28,747.70x = 389,174,039.52
  5. Step 5: Solve for x
    x = 389,174,039.52/28,747.70
  6. Step 6: Final answer
    x = 13,537.57

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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.