Home / 28,274.85-42,413.67-10,746.03

Finding the Fourth Proportional to 28,274.85, 42,413.67 and 10,746.03

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Solution

The fourth proportional to 28,274.85, 42,413.67 and 10,746.03 is: 16,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274.85 : 42,413.67 = 10,746.03 : x
  2. Step 2: Convert to fraction form
    28,274.85/42,413.67 = 10,746.03/x
  3. Step 3: Cross multiply
    28,274.85x = 42,413.67 × 10,746.03
  4. Step 4: Simplify right side
    28,274.85x = 455,778,570.23
  5. Step 5: Solve for x
    x = 455,778,570.23/28,274.85
  6. Step 6: Final answer
    x = 16,119.58

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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.