Home / 21,410.68-29,556.84-16,107.52

Finding the Fourth Proportional to 21,410.68, 29,556.84 and 16,107.52

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Solution

The fourth proportional to 21,410.68, 29,556.84 and 16,107.52 is: 22,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.68 : 29,556.84 = 16,107.52 : x
  2. Step 2: Convert to fraction form
    21,410.68/29,556.84 = 16,107.52/x
  3. Step 3: Cross multiply
    21,410.68x = 29,556.84 × 16,107.52
  4. Step 4: Simplify right side
    21,410.68x = 476,087,391.44
  5. Step 5: Solve for x
    x = 476,087,391.44/21,410.68
  6. Step 6: Final answer
    x = 22,235.98

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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.