Home / 56,678.25-85,020.89-17,238.27

Finding the Fourth Proportional to 56,678.25, 85,020.89 and 17,238.27

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Solution

The fourth proportional to 56,678.25, 85,020.89 and 17,238.27 is: 25,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,678.25 : 85,020.89 = 17,238.27 : x
  2. Step 2: Convert to fraction form
    56,678.25/85,020.89 = 17,238.27/x
  3. Step 3: Cross multiply
    56,678.25x = 85,020.89 × 17,238.27
  4. Step 4: Simplify right side
    56,678.25x = 1,465,612,971.27
  5. Step 5: Solve for x
    x = 1,465,612,971.27/56,678.25
  6. Step 6: Final answer
    x = 25,858.47

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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.