Home / 28,954.72-43,388.34-21,524.32

Finding the Fourth Proportional to 28,954.72, 43,388.34 and 21,524.32

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Solution

The fourth proportional to 28,954.72, 43,388.34 and 21,524.32 is: 32,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.72 : 43,388.34 = 21,524.32 : x
  2. Step 2: Convert to fraction form
    28,954.72/43,388.34 = 21,524.32/x
  3. Step 3: Cross multiply
    28,954.72x = 43,388.34 × 21,524.32
  4. Step 4: Simplify right side
    28,954.72x = 933,904,514.43
  5. Step 5: Solve for x
    x = 933,904,514.43/28,954.72
  6. Step 6: Final answer
    x = 32,253.96

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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.