Home / 28,454.82-42,687.26-9,730.46

Finding the Fourth Proportional to 28,454.82, 42,687.26 and 9,730.46

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Solution

The fourth proportional to 28,454.82, 42,687.26 and 9,730.46 is: 14,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.82 : 42,687.26 = 9,730.46 : x
  2. Step 2: Convert to fraction form
    28,454.82/42,687.26 = 9,730.46/x
  3. Step 3: Cross multiply
    28,454.82x = 42,687.26 × 9,730.46
  4. Step 4: Simplify right side
    28,454.82x = 415,366,413.85
  5. Step 5: Solve for x
    x = 415,366,413.85/28,454.82
  6. Step 6: Final answer
    x = 14,597.40

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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.