Home / 40,378.39-55,734.75-27,626.76

Finding the Fourth Proportional to 40,378.39, 55,734.75 and 27,626.76

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Solution

The fourth proportional to 40,378.39, 55,734.75 and 27,626.76 is: 38,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.39 : 55,734.75 = 27,626.76 : x
  2. Step 2: Convert to fraction form
    40,378.39/55,734.75 = 27,626.76/x
  3. Step 3: Cross multiply
    40,378.39x = 55,734.75 × 27,626.76
  4. Step 4: Simplify right side
    40,378.39x = 1,539,770,561.91
  5. Step 5: Solve for x
    x = 1,539,770,561.91/40,378.39
  6. Step 6: Final answer
    x = 38,133.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.