Home / 28,910.54-43,365.35-15,589.73

Finding the Fourth Proportional to 28,910.54, 43,365.35 and 15,589.73

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Solution

The fourth proportional to 28,910.54, 43,365.35 and 15,589.73 is: 23,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.54 : 43,365.35 = 15,589.73 : x
  2. Step 2: Convert to fraction form
    28,910.54/43,365.35 = 15,589.73/x
  3. Step 3: Cross multiply
    28,910.54x = 43,365.35 × 15,589.73
  4. Step 4: Simplify right side
    28,910.54x = 676,054,245.24
  5. Step 5: Solve for x
    x = 676,054,245.24/28,910.54
  6. Step 6: Final answer
    x = 23,384.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.