Home / 26,579.79-39,878.87-11,799.05

Finding the Fourth Proportional to 26,579.79, 39,878.87 and 11,799.05

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Solution

The fourth proportional to 26,579.79, 39,878.87 and 11,799.05 is: 17,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.79 : 39,878.87 = 11,799.05 : x
  2. Step 2: Convert to fraction form
    26,579.79/39,878.87 = 11,799.05/x
  3. Step 3: Cross multiply
    26,579.79x = 39,878.87 × 11,799.05
  4. Step 4: Simplify right side
    26,579.79x = 470,532,522.68
  5. Step 5: Solve for x
    x = 470,532,522.68/26,579.79
  6. Step 6: Final answer
    x = 17,702.64

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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.