Home / 26,131.30-39,185.61-9,485.80

Finding the Fourth Proportional to 26,131.30, 39,185.61 and 9,485.80

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Solution

The fourth proportional to 26,131.30, 39,185.61 and 9,485.80 is: 14,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.30 : 39,185.61 = 9,485.80 : x
  2. Step 2: Convert to fraction form
    26,131.30/39,185.61 = 9,485.80/x
  3. Step 3: Cross multiply
    26,131.30x = 39,185.61 × 9,485.80
  4. Step 4: Simplify right side
    26,131.30x = 371,706,859.34
  5. Step 5: Solve for x
    x = 371,706,859.34/26,131.30
  6. Step 6: Final answer
    x = 14,224.58

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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.