Home / 28,849.78-43,267.38-11,076.76

Finding the Fourth Proportional to 28,849.78, 43,267.38 and 11,076.76

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Solution

The fourth proportional to 28,849.78, 43,267.38 and 11,076.76 is: 16,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.78 : 43,267.38 = 11,076.76 : x
  2. Step 2: Convert to fraction form
    28,849.78/43,267.38 = 11,076.76/x
  3. Step 3: Cross multiply
    28,849.78x = 43,267.38 × 11,076.76
  4. Step 4: Simplify right side
    28,849.78x = 479,262,384.09
  5. Step 5: Solve for x
    x = 479,262,384.09/28,849.78
  6. Step 6: Final answer
    x = 16,612.34

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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.