Home / 26,381.68-39,536.86-10,790.80

Finding the Fourth Proportional to 26,381.68, 39,536.86 and 10,790.80

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Solution

The fourth proportional to 26,381.68, 39,536.86 and 10,790.80 is: 16,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.68 : 39,536.86 = 10,790.80 : x
  2. Step 2: Convert to fraction form
    26,381.68/39,536.86 = 10,790.80/x
  3. Step 3: Cross multiply
    26,381.68x = 39,536.86 × 10,790.80
  4. Step 4: Simplify right side
    26,381.68x = 426,634,348.89
  5. Step 5: Solve for x
    x = 426,634,348.89/26,381.68
  6. Step 6: Final answer
    x = 16,171.61

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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.