Home / 27,033.09-37,271.92-20,667.57

Finding the Fourth Proportional to 27,033.09, 37,271.92 and 20,667.57

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Solution

The fourth proportional to 27,033.09, 37,271.92 and 20,667.57 is: 28,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,033.09 : 37,271.92 = 20,667.57 : x
  2. Step 2: Convert to fraction form
    27,033.09/37,271.92 = 20,667.57/x
  3. Step 3: Cross multiply
    27,033.09x = 37,271.92 × 20,667.57
  4. Step 4: Simplify right side
    27,033.09x = 770,320,015.63
  5. Step 5: Solve for x
    x = 770,320,015.63/27,033.09
  6. Step 6: Final answer
    x = 28,495.45

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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.