Home / 28,575.90-39,441.30-19,016.21

Finding the Fourth Proportional to 28,575.90, 39,441.30 and 19,016.21

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Solution

The fourth proportional to 28,575.90, 39,441.30 and 19,016.21 is: 26,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.90 : 39,441.30 = 19,016.21 : x
  2. Step 2: Convert to fraction form
    28,575.90/39,441.30 = 19,016.21/x
  3. Step 3: Cross multiply
    28,575.90x = 39,441.30 × 19,016.21
  4. Step 4: Simplify right side
    28,575.90x = 750,023,846.27
  5. Step 5: Solve for x
    x = 750,023,846.27/28,575.90
  6. Step 6: Final answer
    x = 26,246.73

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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.