Home / 19,121.06-28,677.27-7,270.61

Finding the Fourth Proportional to 19,121.06, 28,677.27 and 7,270.61

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Solution

The fourth proportional to 19,121.06, 28,677.27 and 7,270.61 is: 10,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.06 : 28,677.27 = 7,270.61 : x
  2. Step 2: Convert to fraction form
    19,121.06/28,677.27 = 7,270.61/x
  3. Step 3: Cross multiply
    19,121.06x = 28,677.27 × 7,270.61
  4. Step 4: Simplify right side
    19,121.06x = 208,501,066.30
  5. Step 5: Solve for x
    x = 208,501,066.30/19,121.06
  6. Step 6: Final answer
    x = 10,904.26

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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.