Home / 28,941.30-43,413.98-12,299.45

Finding the Fourth Proportional to 28,941.30, 43,413.98 and 12,299.45

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Solution

The fourth proportional to 28,941.30, 43,413.98 and 12,299.45 is: 18,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.30 : 43,413.98 = 12,299.45 : x
  2. Step 2: Convert to fraction form
    28,941.30/43,413.98 = 12,299.45/x
  3. Step 3: Cross multiply
    28,941.30x = 43,413.98 × 12,299.45
  4. Step 4: Simplify right side
    28,941.30x = 533,967,797.74
  5. Step 5: Solve for x
    x = 533,967,797.74/28,941.30
  6. Step 6: Final answer
    x = 18,450.03

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1.5x scale

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.