Home / 19,581.82-27,023.39-10,629.29

Finding the Fourth Proportional to 19,581.82, 27,023.39 and 10,629.29

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Solution

The fourth proportional to 19,581.82, 27,023.39 and 10,629.29 is: 14,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.82 : 27,023.39 = 10,629.29 : x
  2. Step 2: Convert to fraction form
    19,581.82/27,023.39 = 10,629.29/x
  3. Step 3: Cross multiply
    19,581.82x = 27,023.39 × 10,629.29
  4. Step 4: Simplify right side
    19,581.82x = 287,239,503.36
  5. Step 5: Solve for x
    x = 287,239,503.36/19,581.82
  6. Step 6: Final answer
    x = 14,668.68

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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.