Home / 25,597.86-38,413.19-12,443.06

Finding the Fourth Proportional to 25,597.86, 38,413.19 and 12,443.06

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Solution

The fourth proportional to 25,597.86, 38,413.19 and 12,443.06 is: 18,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,597.86 : 38,413.19 = 12,443.06 : x
  2. Step 2: Convert to fraction form
    25,597.86/38,413.19 = 12,443.06/x
  3. Step 3: Cross multiply
    25,597.86x = 38,413.19 × 12,443.06
  4. Step 4: Simplify right side
    25,597.86x = 477,977,627.96
  5. Step 5: Solve for x
    x = 477,977,627.96/25,597.86
  6. Step 6: Final answer
    x = 18,672.56

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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.