Home / 26,735.20-36,903.80-15,409.21

Finding the Fourth Proportional to 26,735.20, 36,903.80 and 15,409.21

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Solution

The fourth proportional to 26,735.20, 36,903.80 and 15,409.21 is: 21,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.20 : 36,903.80 = 15,409.21 : x
  2. Step 2: Convert to fraction form
    26,735.20/36,903.80 = 15,409.21/x
  3. Step 3: Cross multiply
    26,735.20x = 36,903.80 × 15,409.21
  4. Step 4: Simplify right side
    26,735.20x = 568,658,404.00
  5. Step 5: Solve for x
    x = 568,658,404.00/26,735.20
  6. Step 6: Final answer
    x = 21,270.03

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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.