Home / 26,206.94-39,277.59-20,638.29

Finding the Fourth Proportional to 26,206.94, 39,277.59 and 20,638.29

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Solution

The fourth proportional to 26,206.94, 39,277.59 and 20,638.29 is: 30,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,206.94 : 39,277.59 = 20,638.29 : x
  2. Step 2: Convert to fraction form
    26,206.94/39,277.59 = 20,638.29/x
  3. Step 3: Cross multiply
    26,206.94x = 39,277.59 × 20,638.29
  4. Step 4: Simplify right side
    26,206.94x = 810,622,292.92
  5. Step 5: Solve for x
    x = 810,622,292.92/26,206.94
  6. Step 6: Final answer
    x = 30,931.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.