Home / 31,768.42-43,840.34-17,428.32

Finding the Fourth Proportional to 31,768.42, 43,840.34 and 17,428.32

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Solution

The fourth proportional to 31,768.42, 43,840.34 and 17,428.32 is: 24,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768.42 : 43,840.34 = 17,428.32 : x
  2. Step 2: Convert to fraction form
    31,768.42/43,840.34 = 17,428.32/x
  3. Step 3: Cross multiply
    31,768.42x = 43,840.34 × 17,428.32
  4. Step 4: Simplify right side
    31,768.42x = 764,063,474.43
  5. Step 5: Solve for x
    x = 764,063,474.43/31,768.42
  6. Step 6: Final answer
    x = 24,051.04

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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.