Home / 21,032.26-29,063.01-20,007.21

Finding the Fourth Proportional to 21,032.26, 29,063.01 and 20,007.21

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Solution

The fourth proportional to 21,032.26, 29,063.01 and 20,007.21 is: 27,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.26 : 29,063.01 = 20,007.21 : x
  2. Step 2: Convert to fraction form
    21,032.26/29,063.01 = 20,007.21/x
  3. Step 3: Cross multiply
    21,032.26x = 29,063.01 × 20,007.21
  4. Step 4: Simplify right side
    21,032.26x = 581,469,598.99
  5. Step 5: Solve for x
    x = 581,469,598.99/21,032.26
  6. Step 6: Final answer
    x = 27,646.56

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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.