Home / 20,745.06-28,627.47-11,792.94

Finding the Fourth Proportional to 20,745.06, 28,627.47 and 11,792.94

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Solution

The fourth proportional to 20,745.06, 28,627.47 and 11,792.94 is: 16,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745.06 : 28,627.47 = 11,792.94 : x
  2. Step 2: Convert to fraction form
    20,745.06/28,627.47 = 11,792.94/x
  3. Step 3: Cross multiply
    20,745.06x = 28,627.47 × 11,792.94
  4. Step 4: Simplify right side
    20,745.06x = 337,602,036.06
  5. Step 5: Solve for x
    x = 337,602,036.06/20,745.06
  6. Step 6: Final answer
    x = 16,273.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.