Home / 26,790.75-40,187.04-10,780.09

Finding the Fourth Proportional to 26,790.75, 40,187.04 and 10,780.09

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Solution

The fourth proportional to 26,790.75, 40,187.04 and 10,780.09 is: 16,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.75 : 40,187.04 = 10,780.09 : x
  2. Step 2: Convert to fraction form
    26,790.75/40,187.04 = 10,780.09/x
  3. Step 3: Cross multiply
    26,790.75x = 40,187.04 × 10,780.09
  4. Step 4: Simplify right side
    26,790.75x = 433,219,767.14
  5. Step 5: Solve for x
    x = 433,219,767.14/26,790.75
  6. Step 6: Final answer
    x = 16,170.50

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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.