Home / 28,930.91-39,910.32-22,546.08

Finding the Fourth Proportional to 28,930.91, 39,910.32 and 22,546.08

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Solution

The fourth proportional to 28,930.91, 39,910.32 and 22,546.08 is: 31,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.91 : 39,910.32 = 22,546.08 : x
  2. Step 2: Convert to fraction form
    28,930.91/39,910.32 = 22,546.08/x
  3. Step 3: Cross multiply
    28,930.91x = 39,910.32 × 22,546.08
  4. Step 4: Simplify right side
    28,930.91x = 899,821,267.55
  5. Step 5: Solve for x
    x = 899,821,267.55/28,930.91
  6. Step 6: Final answer
    x = 31,102.42

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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.