Home / 17,428.57-26,121.43-8,055.91

Finding the Fourth Proportional to 17,428.57, 26,121.43 and 8,055.91

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Solution

The fourth proportional to 17,428.57, 26,121.43 and 8,055.91 is: 12,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.57 : 26,121.43 = 8,055.91 : x
  2. Step 2: Convert to fraction form
    17,428.57/26,121.43 = 8,055.91/x
  3. Step 3: Cross multiply
    17,428.57x = 26,121.43 × 8,055.91
  4. Step 4: Simplify right side
    17,428.57x = 210,431,889.15
  5. Step 5: Solve for x
    x = 210,431,889.15/17,428.57
  6. Step 6: Final answer
    x = 12,073.96

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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.