Home / 28,262.37-39,002.56-15,516.74

Finding the Fourth Proportional to 28,262.37, 39,002.56 and 15,516.74

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Solution

The fourth proportional to 28,262.37, 39,002.56 and 15,516.74 is: 21,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.37 : 39,002.56 = 15,516.74 : x
  2. Step 2: Convert to fraction form
    28,262.37/39,002.56 = 15,516.74/x
  3. Step 3: Cross multiply
    28,262.37x = 39,002.56 × 15,516.74
  4. Step 4: Simplify right side
    28,262.37x = 605,192,524.14
  5. Step 5: Solve for x
    x = 605,192,524.14/28,262.37
  6. Step 6: Final answer
    x = 21,413.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.