Home / 19,759.63-27,294.92-15,808.99

Finding the Fourth Proportional to 19,759.63, 27,294.92 and 15,808.99

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Solution

The fourth proportional to 19,759.63, 27,294.92 and 15,808.99 is: 21,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.63 : 27,294.92 = 15,808.99 : x
  2. Step 2: Convert to fraction form
    19,759.63/27,294.92 = 15,808.99/x
  3. Step 3: Cross multiply
    19,759.63x = 27,294.92 × 15,808.99
  4. Step 4: Simplify right side
    19,759.63x = 431,505,117.33
  5. Step 5: Solve for x
    x = 431,505,117.33/19,759.63
  6. Step 6: Final answer
    x = 21,837.71

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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.