Home / 26,940.42-40,411.29-9,171.05

Finding the Fourth Proportional to 26,940.42, 40,411.29 and 9,171.05

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Solution

The fourth proportional to 26,940.42, 40,411.29 and 9,171.05 is: 13,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.42 : 40,411.29 = 9,171.05 : x
  2. Step 2: Convert to fraction form
    26,940.42/40,411.29 = 9,171.05/x
  3. Step 3: Cross multiply
    26,940.42x = 40,411.29 × 9,171.05
  4. Step 4: Simplify right side
    26,940.42x = 370,613,759.10
  5. Step 5: Solve for x
    x = 370,613,759.10/26,940.42
  6. Step 6: Final answer
    x = 13,756.79

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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.