Home / 28,249.24-38,982-15,673

Finding the Fourth Proportional to 28,249.24, 38,982 and 15,673

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Solution

The fourth proportional to 28,249.24, 38,982 and 15,673 is: 21,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.24 : 38,982 = 15,673 : x
  2. Step 2: Convert to fraction form
    28,249.24/38,982 = 15,673/x
  3. Step 3: Cross multiply
    28,249.24x = 38,982 × 15,673
  4. Step 4: Simplify right side
    28,249.24x = 610,964,886
  5. Step 5: Solve for x
    x = 610,964,886/28,249.24
  6. Step 6: Final answer
    x = 21,627.66

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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.