Home / 28,863.06-39,829.14-16,117.44

Finding the Fourth Proportional to 28,863.06, 39,829.14 and 16,117.44

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Solution

The fourth proportional to 28,863.06, 39,829.14 and 16,117.44 is: 22,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.06 : 39,829.14 = 16,117.44 : x
  2. Step 2: Convert to fraction form
    28,863.06/39,829.14 = 16,117.44/x
  3. Step 3: Cross multiply
    28,863.06x = 39,829.14 × 16,117.44
  4. Step 4: Simplify right side
    28,863.06x = 641,943,774.20
  5. Step 5: Solve for x
    x = 641,943,774.20/28,863.06
  6. Step 6: Final answer
    x = 22,241.02

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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.