Home / 26,321.19-39,449.88-19,330.89

Finding the Fourth Proportional to 26,321.19, 39,449.88 and 19,330.89

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Solution

The fourth proportional to 26,321.19, 39,449.88 and 19,330.89 is: 28,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.19 : 39,449.88 = 19,330.89 : x
  2. Step 2: Convert to fraction form
    26,321.19/39,449.88 = 19,330.89/x
  3. Step 3: Cross multiply
    26,321.19x = 39,449.88 × 19,330.89
  4. Step 4: Simplify right side
    26,321.19x = 762,601,290.79
  5. Step 5: Solve for x
    x = 762,601,290.79/26,321.19
  6. Step 6: Final answer
    x = 28,972.90

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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.