Home / 28,676.91-42,998.63-11,126.24

Finding the Fourth Proportional to 28,676.91, 42,998.63 and 11,126.24

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Solution

The fourth proportional to 28,676.91, 42,998.63 and 11,126.24 is: 16,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.91 : 42,998.63 = 11,126.24 : x
  2. Step 2: Convert to fraction form
    28,676.91/42,998.63 = 11,126.24/x
  3. Step 3: Cross multiply
    28,676.91x = 42,998.63 × 11,126.24
  4. Step 4: Simplify right side
    28,676.91x = 478,412,806.43
  5. Step 5: Solve for x
    x = 478,412,806.43/28,676.91
  6. Step 6: Final answer
    x = 16,682.86

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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.