Home / 26,413.31-39,621.18-10,820

Finding the Fourth Proportional to 26,413.31, 39,621.18 and 10,820

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Solution

The fourth proportional to 26,413.31, 39,621.18 and 10,820 is: 16,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.31 : 39,621.18 = 10,820 : x
  2. Step 2: Convert to fraction form
    26,413.31/39,621.18 = 10,820/x
  3. Step 3: Cross multiply
    26,413.31x = 39,621.18 × 10,820
  4. Step 4: Simplify right side
    26,413.31x = 428,701,167.60
  5. Step 5: Solve for x
    x = 428,701,167.60/26,413.31
  6. Step 6: Final answer
    x = 16,230.50

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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.