Home / 17,620.65-26,428.39-5,137.32

Finding the Fourth Proportional to 17,620.65, 26,428.39 and 5,137.32

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Solution

The fourth proportional to 17,620.65, 26,428.39 and 5,137.32 is: 7,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.65 : 26,428.39 = 5,137.32 : x
  2. Step 2: Convert to fraction form
    17,620.65/26,428.39 = 5,137.32/x
  3. Step 3: Cross multiply
    17,620.65x = 26,428.39 × 5,137.32
  4. Step 4: Simplify right side
    17,620.65x = 135,771,096.51
  5. Step 5: Solve for x
    x = 135,771,096.51/17,620.65
  6. Step 6: Final answer
    x = 7,705.23

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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.