Home / 21,767.82-32,643.83-9,289.17

Finding the Fourth Proportional to 21,767.82, 32,643.83 and 9,289.17

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Solution

The fourth proportional to 21,767.82, 32,643.83 and 9,289.17 is: 13,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.82 : 32,643.83 = 9,289.17 : x
  2. Step 2: Convert to fraction form
    21,767.82/32,643.83 = 9,289.17/x
  3. Step 3: Cross multiply
    21,767.82x = 32,643.83 × 9,289.17
  4. Step 4: Simplify right side
    21,767.82x = 303,234,039.88
  5. Step 5: Solve for x
    x = 303,234,039.88/21,767.82
  6. Step 6: Final answer
    x = 13,930.38

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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.