Home / 28,808.82-39,759.30-16,882.20

Finding the Fourth Proportional to 28,808.82, 39,759.30 and 16,882.20

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Solution

The fourth proportional to 28,808.82, 39,759.30 and 16,882.20 is: 23,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.82 : 39,759.30 = 16,882.20 : x
  2. Step 2: Convert to fraction form
    28,808.82/39,759.30 = 16,882.20/x
  3. Step 3: Cross multiply
    28,808.82x = 39,759.30 × 16,882.20
  4. Step 4: Simplify right side
    28,808.82x = 671,224,454.46
  5. Step 5: Solve for x
    x = 671,224,454.46/28,808.82
  6. Step 6: Final answer
    x = 23,299.27

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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.