Home / 28,287.03-42,413.07-9,565.32

Finding the Fourth Proportional to 28,287.03, 42,413.07 and 9,565.32

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Solution

The fourth proportional to 28,287.03, 42,413.07 and 9,565.32 is: 14,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.03 : 42,413.07 = 9,565.32 : x
  2. Step 2: Convert to fraction form
    28,287.03/42,413.07 = 9,565.32/x
  3. Step 3: Cross multiply
    28,287.03x = 42,413.07 × 9,565.32
  4. Step 4: Simplify right side
    28,287.03x = 405,694,586.73
  5. Step 5: Solve for x
    x = 405,694,586.73/28,287.03
  6. Step 6: Final answer
    x = 14,342.07

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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.