Home / 21,556.83-29,746.44-19,969.94

Finding the Fourth Proportional to 21,556.83, 29,746.44 and 19,969.94

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Solution

The fourth proportional to 21,556.83, 29,746.44 and 19,969.94 is: 27,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.83 : 29,746.44 = 19,969.94 : x
  2. Step 2: Convert to fraction form
    21,556.83/29,746.44 = 19,969.94/x
  3. Step 3: Cross multiply
    21,556.83x = 29,746.44 × 19,969.94
  4. Step 4: Simplify right side
    21,556.83x = 594,034,696.38
  5. Step 5: Solve for x
    x = 594,034,696.38/21,556.83
  6. Step 6: Final answer
    x = 27,556.68

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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.