Home / 19,580.94-27,021.72-10,628.44

Finding the Fourth Proportional to 19,580.94, 27,021.72 and 10,628.44

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Solution

The fourth proportional to 19,580.94, 27,021.72 and 10,628.44 is: 14,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.94 : 27,021.72 = 10,628.44 : x
  2. Step 2: Convert to fraction form
    19,580.94/27,021.72 = 10,628.44/x
  3. Step 3: Cross multiply
    19,580.94x = 27,021.72 × 10,628.44
  4. Step 4: Simplify right side
    19,580.94x = 287,198,729.72
  5. Step 5: Solve for x
    x = 287,198,729.72/19,580.94
  6. Step 6: Final answer
    x = 14,667.26

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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.