Home / 21,517.97-32,276.96-7,657.25

Finding the Fourth Proportional to 21,517.97, 32,276.96 and 7,657.25

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Solution

The fourth proportional to 21,517.97, 32,276.96 and 7,657.25 is: 11,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.97 : 32,276.96 = 7,657.25 : x
  2. Step 2: Convert to fraction form
    21,517.97/32,276.96 = 7,657.25/x
  3. Step 3: Cross multiply
    21,517.97x = 32,276.96 × 7,657.25
  4. Step 4: Simplify right side
    21,517.97x = 247,152,751.96
  5. Step 5: Solve for x
    x = 247,152,751.96/21,517.97
  6. Step 6: Final answer
    x = 11,485.88

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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.