Home / 28,363.23-39,140.60-17,758.71

Finding the Fourth Proportional to 28,363.23, 39,140.60 and 17,758.71

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Solution

The fourth proportional to 28,363.23, 39,140.60 and 17,758.71 is: 24,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.23 : 39,140.60 = 17,758.71 : x
  2. Step 2: Convert to fraction form
    28,363.23/39,140.60 = 17,758.71/x
  3. Step 3: Cross multiply
    28,363.23x = 39,140.60 × 17,758.71
  4. Step 4: Simplify right side
    28,363.23x = 695,086,413.32
  5. Step 5: Solve for x
    x = 695,086,413.32/28,363.23
  6. Step 6: Final answer
    x = 24,506.61

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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.