Home / 21,835.44-32,733.72-10,142.28

Finding the Fourth Proportional to 21,835.44, 32,733.72 and 10,142.28

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Solution

The fourth proportional to 21,835.44, 32,733.72 and 10,142.28 is: 15,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.44 : 32,733.72 = 10,142.28 : x
  2. Step 2: Convert to fraction form
    21,835.44/32,733.72 = 10,142.28/x
  3. Step 3: Cross multiply
    21,835.44x = 32,733.72 × 10,142.28
  4. Step 4: Simplify right side
    21,835.44x = 331,994,553.68
  5. Step 5: Solve for x
    x = 331,994,553.68/21,835.44
  6. Step 6: Final answer
    x = 15,204.39

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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.