Home / 21,944.74-30,264.69-15,241.54

Finding the Fourth Proportional to 21,944.74, 30,264.69 and 15,241.54

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Solution

The fourth proportional to 21,944.74, 30,264.69 and 15,241.54 is: 21,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.74 : 30,264.69 = 15,241.54 : x
  2. Step 2: Convert to fraction form
    21,944.74/30,264.69 = 15,241.54/x
  3. Step 3: Cross multiply
    21,944.74x = 30,264.69 × 15,241.54
  4. Step 4: Simplify right side
    21,944.74x = 461,280,483.22
  5. Step 5: Solve for x
    x = 461,280,483.22/21,944.74
  6. Step 6: Final answer
    x = 21,020.09

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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.