Home / 26,020.68-39,036.15-8,485.80

Finding the Fourth Proportional to 26,020.68, 39,036.15 and 8,485.80

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Solution

The fourth proportional to 26,020.68, 39,036.15 and 8,485.80 is: 12,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.68 : 39,036.15 = 8,485.80 : x
  2. Step 2: Convert to fraction form
    26,020.68/39,036.15 = 8,485.80/x
  3. Step 3: Cross multiply
    26,020.68x = 39,036.15 × 8,485.80
  4. Step 4: Simplify right side
    26,020.68x = 331,252,961.67
  5. Step 5: Solve for x
    x = 331,252,961.67/26,020.68
  6. Step 6: Final answer
    x = 12,730.37

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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.