Home / 25,107.90-34,694.75-18,290.06

Finding the Fourth Proportional to 25,107.90, 34,694.75 and 18,290.06

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Solution

The fourth proportional to 25,107.90, 34,694.75 and 18,290.06 is: 25,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.90 : 34,694.75 = 18,290.06 : x
  2. Step 2: Convert to fraction form
    25,107.90/34,694.75 = 18,290.06/x
  3. Step 3: Cross multiply
    25,107.90x = 34,694.75 × 18,290.06
  4. Step 4: Simplify right side
    25,107.90x = 634,568,794.26
  5. Step 5: Solve for x
    x = 634,568,794.26/25,107.90
  6. Step 6: Final answer
    x = 25,273.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.