Home / 25,157.20-37,735.86-8,517.40

Finding the Fourth Proportional to 25,157.20, 37,735.86 and 8,517.40

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Solution

The fourth proportional to 25,157.20, 37,735.86 and 8,517.40 is: 12,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.20 : 37,735.86 = 8,517.40 : x
  2. Step 2: Convert to fraction form
    25,157.20/37,735.86 = 8,517.40/x
  3. Step 3: Cross multiply
    25,157.20x = 37,735.86 × 8,517.40
  4. Step 4: Simplify right side
    25,157.20x = 321,411,413.96
  5. Step 5: Solve for x
    x = 321,411,413.96/25,157.20
  6. Step 6: Final answer
    x = 12,776.12

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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.