Home / 26,310.42-39,465.56-21,674.78

Finding the Fourth Proportional to 26,310.42, 39,465.56 and 21,674.78

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Solution

The fourth proportional to 26,310.42, 39,465.56 and 21,674.78 is: 32,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.42 : 39,465.56 = 21,674.78 : x
  2. Step 2: Convert to fraction form
    26,310.42/39,465.56 = 21,674.78/x
  3. Step 3: Cross multiply
    26,310.42x = 39,465.56 × 21,674.78
  4. Step 4: Simplify right side
    26,310.42x = 855,407,330.58
  5. Step 5: Solve for x
    x = 855,407,330.58/26,310.42
  6. Step 6: Final answer
    x = 32,512.11

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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.