Home / 21,622.05-29,843.21-14,055.22

Finding the Fourth Proportional to 21,622.05, 29,843.21 and 14,055.22

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Solution

The fourth proportional to 21,622.05, 29,843.21 and 14,055.22 is: 19,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.05 : 29,843.21 = 14,055.22 : x
  2. Step 2: Convert to fraction form
    21,622.05/29,843.21 = 14,055.22/x
  3. Step 3: Cross multiply
    21,622.05x = 29,843.21 × 14,055.22
  4. Step 4: Simplify right side
    21,622.05x = 419,452,882.06
  5. Step 5: Solve for x
    x = 419,452,882.06/21,622.05
  6. Step 6: Final answer
    x = 19,399.31

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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.