Home / 26,971.62-40,386.54-21,678.54

Finding the Fourth Proportional to 26,971.62, 40,386.54 and 21,678.54

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Solution

The fourth proportional to 26,971.62, 40,386.54 and 21,678.54 is: 32,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.62 : 40,386.54 = 21,678.54 : x
  2. Step 2: Convert to fraction form
    26,971.62/40,386.54 = 21,678.54/x
  3. Step 3: Cross multiply
    26,971.62x = 40,386.54 × 21,678.54
  4. Step 4: Simplify right side
    26,971.62x = 875,521,222.85
  5. Step 5: Solve for x
    x = 875,521,222.85/26,971.62
  6. Step 6: Final answer
    x = 32,460.83

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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.