Home / 19,928.37-27,485.46-12,370.44

Finding the Fourth Proportional to 19,928.37, 27,485.46 and 12,370.44

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Solution

The fourth proportional to 19,928.37, 27,485.46 and 12,370.44 is: 17,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.37 : 27,485.46 = 12,370.44 : x
  2. Step 2: Convert to fraction form
    19,928.37/27,485.46 = 12,370.44/x
  3. Step 3: Cross multiply
    19,928.37x = 27,485.46 × 12,370.44
  4. Step 4: Simplify right side
    19,928.37x = 340,007,233.80
  5. Step 5: Solve for x
    x = 340,007,233.80/19,928.37
  6. Step 6: Final answer
    x = 17,061.47

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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.