Home / 26,634.63-39,913.88-19,559.15

Finding the Fourth Proportional to 26,634.63, 39,913.88 and 19,559.15

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Solution

The fourth proportional to 26,634.63, 39,913.88 and 19,559.15 is: 29,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.63 : 39,913.88 = 19,559.15 : x
  2. Step 2: Convert to fraction form
    26,634.63/39,913.88 = 19,559.15/x
  3. Step 3: Cross multiply
    26,634.63x = 39,913.88 × 19,559.15
  4. Step 4: Simplify right side
    26,634.63x = 780,681,268.64
  5. Step 5: Solve for x
    x = 780,681,268.64/26,634.63
  6. Step 6: Final answer
    x = 29,310.76

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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.