Home / 28,413.63-42,620.49-9,695.73

Finding the Fourth Proportional to 28,413.63, 42,620.49 and 9,695.73

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Solution

The fourth proportional to 28,413.63, 42,620.49 and 9,695.73 is: 14,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.63 : 42,620.49 = 9,695.73 : x
  2. Step 2: Convert to fraction form
    28,413.63/42,620.49 = 9,695.73/x
  3. Step 3: Cross multiply
    28,413.63x = 42,620.49 × 9,695.73
  4. Step 4: Simplify right side
    28,413.63x = 413,236,763.51
  5. Step 5: Solve for x
    x = 413,236,763.51/28,413.63
  6. Step 6: Final answer
    x = 14,543.61

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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.