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Finding the Fourth Proportional to 17,428.87, 26,074.87 and 13,450.07

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Solution

The fourth proportional to 17,428.87, 26,074.87 and 13,450.07 is: 20,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.87 : 26,074.87 = 13,450.07 : x
  2. Step 2: Convert to fraction form
    17,428.87/26,074.87 = 13,450.07/x
  3. Step 3: Cross multiply
    17,428.87x = 26,074.87 × 13,450.07
  4. Step 4: Simplify right side
    17,428.87x = 350,708,826.74
  5. Step 5: Solve for x
    x = 350,708,826.74/17,428.87
  6. Step 6: Final answer
    x = 20,122.29

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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.