Home / 27,834.40-38,367.84-21,093.04

Finding the Fourth Proportional to 27,834.40, 38,367.84 and 21,093.04

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Solution

The fourth proportional to 27,834.40, 38,367.84 and 21,093.04 is: 29,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.40 : 38,367.84 = 21,093.04 : x
  2. Step 2: Convert to fraction form
    27,834.40/38,367.84 = 21,093.04/x
  3. Step 3: Cross multiply
    27,834.40x = 38,367.84 × 21,093.04
  4. Step 4: Simplify right side
    27,834.40x = 809,294,383.83
  5. Step 5: Solve for x
    x = 809,294,383.83/27,834.40
  6. Step 6: Final answer
    x = 29,075.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.