Home / 26,749.46-40,185.71-18,870.11

Finding the Fourth Proportional to 26,749.46, 40,185.71 and 18,870.11

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Solution

The fourth proportional to 26,749.46, 40,185.71 and 18,870.11 is: 28,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.46 : 40,185.71 = 18,870.11 : x
  2. Step 2: Convert to fraction form
    26,749.46/40,185.71 = 18,870.11/x
  3. Step 3: Cross multiply
    26,749.46x = 40,185.71 × 18,870.11
  4. Step 4: Simplify right side
    26,749.46x = 758,308,673.78
  5. Step 5: Solve for x
    x = 758,308,673.78/26,749.46
  6. Step 6: Final answer
    x = 28,348.56

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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.