Home / 27,729.25-38,267.74-16,405.37

Finding the Fourth Proportional to 27,729.25, 38,267.74 and 16,405.37

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Solution

The fourth proportional to 27,729.25, 38,267.74 and 16,405.37 is: 22,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.25 : 38,267.74 = 16,405.37 : x
  2. Step 2: Convert to fraction form
    27,729.25/38,267.74 = 16,405.37/x
  3. Step 3: Cross multiply
    27,729.25x = 38,267.74 × 16,405.37
  4. Step 4: Simplify right side
    27,729.25x = 627,796,433.76
  5. Step 5: Solve for x
    x = 627,796,433.76/27,729.25
  6. Step 6: Final answer
    x = 22,640.22

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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.