Home / 21,936.42-32,887.35-7,894.26

Finding the Fourth Proportional to 21,936.42, 32,887.35 and 7,894.26

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Solution

The fourth proportional to 21,936.42, 32,887.35 and 7,894.26 is: 11,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.42 : 32,887.35 = 7,894.26 : x
  2. Step 2: Convert to fraction form
    21,936.42/32,887.35 = 7,894.26/x
  3. Step 3: Cross multiply
    21,936.42x = 32,887.35 × 7,894.26
  4. Step 4: Simplify right side
    21,936.42x = 259,621,291.61
  5. Step 5: Solve for x
    x = 259,621,291.61/21,936.42
  6. Step 6: Final answer
    x = 11,835.17

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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.