Home / 28,257.30-38,906.34-23,999.40

Finding the Fourth Proportional to 28,257.30, 38,906.34 and 23,999.40

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Solution

The fourth proportional to 28,257.30, 38,906.34 and 23,999.40 is: 33,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.30 : 38,906.34 = 23,999.40 : x
  2. Step 2: Convert to fraction form
    28,257.30/38,906.34 = 23,999.40/x
  3. Step 3: Cross multiply
    28,257.30x = 38,906.34 × 23,999.40
  4. Step 4: Simplify right side
    28,257.30x = 933,728,816.20
  5. Step 5: Solve for x
    x = 933,728,816.20/28,257.30
  6. Step 6: Final answer
    x = 33,043.81

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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.