Home / 28,676.06-42,992.22-13,082.78

Finding the Fourth Proportional to 28,676.06, 42,992.22 and 13,082.78

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Solution

The fourth proportional to 28,676.06, 42,992.22 and 13,082.78 is: 19,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.06 : 42,992.22 = 13,082.78 : x
  2. Step 2: Convert to fraction form
    28,676.06/42,992.22 = 13,082.78/x
  3. Step 3: Cross multiply
    28,676.06x = 42,992.22 × 13,082.78
  4. Step 4: Simplify right side
    28,676.06x = 562,457,755.97
  5. Step 5: Solve for x
    x = 562,457,755.97/28,676.06
  6. Step 6: Final answer
    x = 19,614.19

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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.