Home / 27,862.80-41,765.40-15,363.60

Finding the Fourth Proportional to 27,862.80, 41,765.40 and 15,363.60

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Solution

The fourth proportional to 27,862.80, 41,765.40 and 15,363.60 is: 23,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.80 : 41,765.40 = 15,363.60 : x
  2. Step 2: Convert to fraction form
    27,862.80/41,765.40 = 15,363.60/x
  3. Step 3: Cross multiply
    27,862.80x = 41,765.40 × 15,363.60
  4. Step 4: Simplify right side
    27,862.80x = 641,666,899.44
  5. Step 5: Solve for x
    x = 641,666,899.44/27,862.80
  6. Step 6: Final answer
    x = 23,029.52

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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.