Home / 40,268.46-60,413.58-28,655.40

Finding the Fourth Proportional to 40,268.46, 60,413.58 and 28,655.40

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Solution

The fourth proportional to 40,268.46, 60,413.58 and 28,655.40 is: 42,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.46 : 60,413.58 = 28,655.40 : x
  2. Step 2: Convert to fraction form
    40,268.46/60,413.58 = 28,655.40/x
  3. Step 3: Cross multiply
    40,268.46x = 60,413.58 × 28,655.40
  4. Step 4: Simplify right side
    40,268.46x = 1,731,175,300.33
  5. Step 5: Solve for x
    x = 1,731,175,300.33/40,268.46
  6. Step 6: Final answer
    x = 42,990.85

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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.