Home / 26,694.04-40,016.90-12,645.30

Finding the Fourth Proportional to 26,694.04, 40,016.90 and 12,645.30

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Solution

The fourth proportional to 26,694.04, 40,016.90 and 12,645.30 is: 18,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.04 : 40,016.90 = 12,645.30 : x
  2. Step 2: Convert to fraction form
    26,694.04/40,016.90 = 12,645.30/x
  3. Step 3: Cross multiply
    26,694.04x = 40,016.90 × 12,645.30
  4. Step 4: Simplify right side
    26,694.04x = 506,025,705.57
  5. Step 5: Solve for x
    x = 506,025,705.57/26,694.04
  6. Step 6: Final answer
    x = 18,956.51

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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.