Home / 28,413.08-42,619.65-15,348.52

Finding the Fourth Proportional to 28,413.08, 42,619.65 and 15,348.52

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Solution

The fourth proportional to 28,413.08, 42,619.65 and 15,348.52 is: 23,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.08 : 42,619.65 = 15,348.52 : x
  2. Step 2: Convert to fraction form
    28,413.08/42,619.65 = 15,348.52/x
  3. Step 3: Cross multiply
    28,413.08x = 42,619.65 × 15,348.52
  4. Step 4: Simplify right side
    28,413.08x = 654,148,550.42
  5. Step 5: Solve for x
    x = 654,148,550.42/28,413.08
  6. Step 6: Final answer
    x = 23,022.80

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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.