Home / 21,927.40-32,858.70-18,622.60

Finding the Fourth Proportional to 21,927.40, 32,858.70 and 18,622.60

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Solution

The fourth proportional to 21,927.40, 32,858.70 and 18,622.60 is: 27,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.40 : 32,858.70 = 18,622.60 : x
  2. Step 2: Convert to fraction form
    21,927.40/32,858.70 = 18,622.60/x
  3. Step 3: Cross multiply
    21,927.40x = 32,858.70 × 18,622.60
  4. Step 4: Simplify right side
    21,927.40x = 611,914,426.62
  5. Step 5: Solve for x
    x = 611,914,426.62/21,927.40
  6. Step 6: Final answer
    x = 27,906.38

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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.