Home / 21,340.96-31,944.24-17,608.48

Finding the Fourth Proportional to 21,340.96, 31,944.24 and 17,608.48

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Solution

The fourth proportional to 21,340.96, 31,944.24 and 17,608.48 is: 26,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.96 : 31,944.24 = 17,608.48 : x
  2. Step 2: Convert to fraction form
    21,340.96/31,944.24 = 17,608.48/x
  3. Step 3: Cross multiply
    21,340.96x = 31,944.24 × 17,608.48
  4. Step 4: Simplify right side
    21,340.96x = 562,489,511.16
  5. Step 5: Solve for x
    x = 562,489,511.16/21,340.96
  6. Step 6: Final answer
    x = 26,357.27

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1.5x scale

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.