Home / 28,196.93-42,291.21-17,100.64

Finding the Fourth Proportional to 28,196.93, 42,291.21 and 17,100.64

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Solution

The fourth proportional to 28,196.93, 42,291.21 and 17,100.64 is: 25,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.93 : 42,291.21 = 17,100.64 : x
  2. Step 2: Convert to fraction form
    28,196.93/42,291.21 = 17,100.64/x
  3. Step 3: Cross multiply
    28,196.93x = 42,291.21 × 17,100.64
  4. Step 4: Simplify right side
    28,196.93x = 723,206,545.92
  5. Step 5: Solve for x
    x = 723,206,545.92/28,196.93
  6. Step 6: Final answer
    x = 25,648.42

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1.5x scale

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.