Home / 17,640.85-26,448.78-15,980.08

Finding the Fourth Proportional to 17,640.85, 26,448.78 and 15,980.08

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Solution

The fourth proportional to 17,640.85, 26,448.78 and 15,980.08 is: 23,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.85 : 26,448.78 = 15,980.08 : x
  2. Step 2: Convert to fraction form
    17,640.85/26,448.78 = 15,980.08/x
  3. Step 3: Cross multiply
    17,640.85x = 26,448.78 × 15,980.08
  4. Step 4: Simplify right side
    17,640.85x = 422,653,620.30
  5. Step 5: Solve for x
    x = 422,653,620.30/17,640.85
  6. Step 6: Final answer
    x = 23,958.80

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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.