Home / 19,326.44-28,931.31-17,478.43

Finding the Fourth Proportional to 19,326.44, 28,931.31 and 17,478.43

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Solution

The fourth proportional to 19,326.44, 28,931.31 and 17,478.43 is: 26,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.44 : 28,931.31 = 17,478.43 : x
  2. Step 2: Convert to fraction form
    19,326.44/28,931.31 = 17,478.43/x
  3. Step 3: Cross multiply
    19,326.44x = 28,931.31 × 17,478.43
  4. Step 4: Simplify right side
    19,326.44x = 505,673,804.32
  5. Step 5: Solve for x
    x = 505,673,804.32/19,326.44
  6. Step 6: Final answer
    x = 26,164.87

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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.