Home / 26,888.14-40,340.42-13,749.74

Finding the Fourth Proportional to 26,888.14, 40,340.42 and 13,749.74

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Solution

The fourth proportional to 26,888.14, 40,340.42 and 13,749.74 is: 20,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.14 : 40,340.42 = 13,749.74 : x
  2. Step 2: Convert to fraction form
    26,888.14/40,340.42 = 13,749.74/x
  3. Step 3: Cross multiply
    26,888.14x = 40,340.42 × 13,749.74
  4. Step 4: Simplify right side
    26,888.14x = 554,670,286.49
  5. Step 5: Solve for x
    x = 554,670,286.49/26,888.14
  6. Step 6: Final answer
    x = 20,628.81

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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.