Home / 28,579.72-42,882.54-14,738.44

Finding the Fourth Proportional to 28,579.72, 42,882.54 and 14,738.44

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Solution

The fourth proportional to 28,579.72, 42,882.54 and 14,738.44 is: 22,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,579.72 : 42,882.54 = 14,738.44 : x
  2. Step 2: Convert to fraction form
    28,579.72/42,882.54 = 14,738.44/x
  3. Step 3: Cross multiply
    28,579.72x = 42,882.54 × 14,738.44
  4. Step 4: Simplify right side
    28,579.72x = 632,021,742.84
  5. Step 5: Solve for x
    x = 632,021,742.84/28,579.72
  6. Step 6: Final answer
    x = 22,114.34

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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.