Home / 28,609.83-39,449.30-23,419.35

Finding the Fourth Proportional to 28,609.83, 39,449.30 and 23,419.35

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Solution

The fourth proportional to 28,609.83, 39,449.30 and 23,419.35 is: 32,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609.83 : 39,449.30 = 23,419.35 : x
  2. Step 2: Convert to fraction form
    28,609.83/39,449.30 = 23,419.35/x
  3. Step 3: Cross multiply
    28,609.83x = 39,449.30 × 23,419.35
  4. Step 4: Simplify right side
    28,609.83x = 923,876,846.86
  5. Step 5: Solve for x
    x = 923,876,846.86/28,609.83
  6. Step 6: Final answer
    x = 32,292.29

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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.