Home / 21,993.75-33,017.06-18,527.36

Finding the Fourth Proportional to 21,993.75, 33,017.06 and 18,527.36

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Solution

The fourth proportional to 21,993.75, 33,017.06 and 18,527.36 is: 27,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.75 : 33,017.06 = 18,527.36 : x
  2. Step 2: Convert to fraction form
    21,993.75/33,017.06 = 18,527.36/x
  3. Step 3: Cross multiply
    21,993.75x = 33,017.06 × 18,527.36
  4. Step 4: Simplify right side
    21,993.75x = 611,718,837.99
  5. Step 5: Solve for x
    x = 611,718,837.99/21,993.75
  6. Step 6: Final answer
    x = 27,813.30

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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.