Home / 27,101.67-37,379.22-20,712.39

Finding the Fourth Proportional to 27,101.67, 37,379.22 and 20,712.39

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Solution

The fourth proportional to 27,101.67, 37,379.22 and 20,712.39 is: 28,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.67 : 37,379.22 = 20,712.39 : x
  2. Step 2: Convert to fraction form
    27,101.67/37,379.22 = 20,712.39/x
  3. Step 3: Cross multiply
    27,101.67x = 37,379.22 × 20,712.39
  4. Step 4: Simplify right side
    27,101.67x = 774,212,982.54
  5. Step 5: Solve for x
    x = 774,212,982.54/27,101.67
  6. Step 6: Final answer
    x = 28,566.98

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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.