Home / 26,155.66-39,161.60-18,266.06

Finding the Fourth Proportional to 26,155.66, 39,161.60 and 18,266.06

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Solution

The fourth proportional to 26,155.66, 39,161.60 and 18,266.06 is: 27,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.66 : 39,161.60 = 18,266.06 : x
  2. Step 2: Convert to fraction form
    26,155.66/39,161.60 = 18,266.06/x
  3. Step 3: Cross multiply
    26,155.66x = 39,161.60 × 18,266.06
  4. Step 4: Simplify right side
    26,155.66x = 715,328,135.30
  5. Step 5: Solve for x
    x = 715,328,135.30/26,155.66
  6. Step 6: Final answer
    x = 27,348.88

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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.