Home / 28,856.53-39,790.62-18,766.27

Finding the Fourth Proportional to 28,856.53, 39,790.62 and 18,766.27

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Solution

The fourth proportional to 28,856.53, 39,790.62 and 18,766.27 is: 25,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.53 : 39,790.62 = 18,766.27 : x
  2. Step 2: Convert to fraction form
    28,856.53/39,790.62 = 18,766.27/x
  3. Step 3: Cross multiply
    28,856.53x = 39,790.62 × 18,766.27
  4. Step 4: Simplify right side
    28,856.53x = 746,721,518.39
  5. Step 5: Solve for x
    x = 746,721,518.39/28,856.53
  6. Step 6: Final answer
    x = 25,877.04

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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.