Home / 26,170.36-39,240.68-17,860.45

Finding the Fourth Proportional to 26,170.36, 39,240.68 and 17,860.45

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Solution

The fourth proportional to 26,170.36, 39,240.68 and 17,860.45 is: 26,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.36 : 39,240.68 = 17,860.45 : x
  2. Step 2: Convert to fraction form
    26,170.36/39,240.68 = 17,860.45/x
  3. Step 3: Cross multiply
    26,170.36x = 39,240.68 × 17,860.45
  4. Step 4: Simplify right side
    26,170.36x = 700,855,917.60
  5. Step 5: Solve for x
    x = 700,855,917.60/26,170.36
  6. Step 6: Final answer
    x = 26,780.52

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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.