Home / 26,378.46-36,364.38-18,811.65

Finding the Fourth Proportional to 26,378.46, 36,364.38 and 18,811.65

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Solution

The fourth proportional to 26,378.46, 36,364.38 and 18,811.65 is: 25,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.46 : 36,364.38 = 18,811.65 : x
  2. Step 2: Convert to fraction form
    26,378.46/36,364.38 = 18,811.65/x
  3. Step 3: Cross multiply
    26,378.46x = 36,364.38 × 18,811.65
  4. Step 4: Simplify right side
    26,378.46x = 684,073,989.03
  5. Step 5: Solve for x
    x = 684,073,989.03/26,378.46
  6. Step 6: Final answer
    x = 25,933.05

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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.