Home / 26,841.72-40,262.58-7,121.82

Finding the Fourth Proportional to 26,841.72, 40,262.58 and 7,121.82

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Solution

The fourth proportional to 26,841.72, 40,262.58 and 7,121.82 is: 10,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.72 : 40,262.58 = 7,121.82 : x
  2. Step 2: Convert to fraction form
    26,841.72/40,262.58 = 7,121.82/x
  3. Step 3: Cross multiply
    26,841.72x = 40,262.58 × 7,121.82
  4. Step 4: Simplify right side
    26,841.72x = 286,742,847.50
  5. Step 5: Solve for x
    x = 286,742,847.50/26,841.72
  6. Step 6: Final answer
    x = 10,682.73

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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.