Home / 28,992.48-43,471.26-15,826.56

Finding the Fourth Proportional to 28,992.48, 43,471.26 and 15,826.56

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Solution

The fourth proportional to 28,992.48, 43,471.26 and 15,826.56 is: 23,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.48 : 43,471.26 = 15,826.56 : x
  2. Step 2: Convert to fraction form
    28,992.48/43,471.26 = 15,826.56/x
  3. Step 3: Cross multiply
    28,992.48x = 43,471.26 × 15,826.56
  4. Step 4: Simplify right side
    28,992.48x = 688,000,504.67
  5. Step 5: Solve for x
    x = 688,000,504.67/28,992.48
  6. Step 6: Final answer
    x = 23,730.31

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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.