Home / 26,921.18-37,102.82-21,902.02

Finding the Fourth Proportional to 26,921.18, 37,102.82 and 21,902.02

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Solution

The fourth proportional to 26,921.18, 37,102.82 and 21,902.02 is: 30,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.18 : 37,102.82 = 21,902.02 : x
  2. Step 2: Convert to fraction form
    26,921.18/37,102.82 = 21,902.02/x
  3. Step 3: Cross multiply
    26,921.18x = 37,102.82 × 21,902.02
  4. Step 4: Simplify right side
    26,921.18x = 812,626,503.43
  5. Step 5: Solve for x
    x = 812,626,503.43/26,921.18
  6. Step 6: Final answer
    x = 30,185.39

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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.