Home / 21,367.28-32,193.44-19,289.64

Finding the Fourth Proportional to 21,367.28, 32,193.44 and 19,289.64

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Solution

The fourth proportional to 21,367.28, 32,193.44 and 19,289.64 is: 29,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.28 : 32,193.44 = 19,289.64 : x
  2. Step 2: Convert to fraction form
    21,367.28/32,193.44 = 19,289.64/x
  3. Step 3: Cross multiply
    21,367.28x = 32,193.44 × 19,289.64
  4. Step 4: Simplify right side
    21,367.28x = 620,999,867.96
  5. Step 5: Solve for x
    x = 620,999,867.96/21,367.28
  6. Step 6: Final answer
    x = 29,063.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.