Home / 21,944.24-30,264-15,241.04

Finding the Fourth Proportional to 21,944.24, 30,264 and 15,241.04

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Solution

The fourth proportional to 21,944.24, 30,264 and 15,241.04 is: 21,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.24 : 30,264 = 15,241.04 : x
  2. Step 2: Convert to fraction form
    21,944.24/30,264 = 15,241.04/x
  3. Step 3: Cross multiply
    21,944.24x = 30,264 × 15,241.04
  4. Step 4: Simplify right side
    21,944.24x = 461,254,834.56
  5. Step 5: Solve for x
    x = 461,254,834.56/21,944.24
  6. Step 6: Final answer
    x = 21,019.40

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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.