Home / 26,740.12-40,072.92-22,115.76

Finding the Fourth Proportional to 26,740.12, 40,072.92 and 22,115.76

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Solution

The fourth proportional to 26,740.12, 40,072.92 and 22,115.76 is: 33,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.12 : 40,072.92 = 22,115.76 : x
  2. Step 2: Convert to fraction form
    26,740.12/40,072.92 = 22,115.76/x
  3. Step 3: Cross multiply
    26,740.12x = 40,072.92 × 22,115.76
  4. Step 4: Simplify right side
    26,740.12x = 886,243,081.22
  5. Step 5: Solve for x
    x = 886,243,081.22/26,740.12
  6. Step 6: Final answer
    x = 33,142.82

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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.