Home / 26,256.42-36,206.19-18,606.78

Finding the Fourth Proportional to 26,256.42, 36,206.19 and 18,606.78

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Solution

The fourth proportional to 26,256.42, 36,206.19 and 18,606.78 is: 25,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.42 : 36,206.19 = 18,606.78 : x
  2. Step 2: Convert to fraction form
    26,256.42/36,206.19 = 18,606.78/x
  3. Step 3: Cross multiply
    26,256.42x = 36,206.19 × 18,606.78
  4. Step 4: Simplify right side
    26,256.42x = 673,680,611.97
  5. Step 5: Solve for x
    x = 673,680,611.97/26,256.42
  6. Step 6: Final answer
    x = 25,657.75

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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.