Home / 28,808.90-39,759.68-16,064.14

Finding the Fourth Proportional to 28,808.90, 39,759.68 and 16,064.14

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Solution

The fourth proportional to 28,808.90, 39,759.68 and 16,064.14 is: 22,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.90 : 39,759.68 = 16,064.14 : x
  2. Step 2: Convert to fraction form
    28,808.90/39,759.68 = 16,064.14/x
  3. Step 3: Cross multiply
    28,808.90x = 39,759.68 × 16,064.14
  4. Step 4: Simplify right side
    28,808.90x = 638,705,065.88
  5. Step 5: Solve for x
    x = 638,705,065.88/28,808.90
  6. Step 6: Final answer
    x = 22,170.41

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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.