Home / 26,869.56-40,305.23-12,078.52

Finding the Fourth Proportional to 26,869.56, 40,305.23 and 12,078.52

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Solution

The fourth proportional to 26,869.56, 40,305.23 and 12,078.52 is: 18,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.56 : 40,305.23 = 12,078.52 : x
  2. Step 2: Convert to fraction form
    26,869.56/40,305.23 = 12,078.52/x
  3. Step 3: Cross multiply
    26,869.56x = 40,305.23 × 12,078.52
  4. Step 4: Simplify right side
    26,869.56x = 486,827,478.74
  5. Step 5: Solve for x
    x = 486,827,478.74/26,869.56
  6. Step 6: Final answer
    x = 18,118.18

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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.