Home / 26,687.81-40,031.73-6,966.33

Finding the Fourth Proportional to 26,687.81, 40,031.73 and 6,966.33

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Solution

The fourth proportional to 26,687.81, 40,031.73 and 6,966.33 is: 10,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.81 : 40,031.73 = 6,966.33 : x
  2. Step 2: Convert to fraction form
    26,687.81/40,031.73 = 6,966.33/x
  3. Step 3: Cross multiply
    26,687.81x = 40,031.73 × 6,966.33
  4. Step 4: Simplify right side
    26,687.81x = 278,874,241.65
  5. Step 5: Solve for x
    x = 278,874,241.65/26,687.81
  6. Step 6: Final answer
    x = 10,449.50

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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.