Home / 17,326.26-25,986.69-5,639.40

Finding the Fourth Proportional to 17,326.26, 25,986.69 and 5,639.40

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Solution

The fourth proportional to 17,326.26, 25,986.69 and 5,639.40 is: 8,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326.26 : 25,986.69 = 5,639.40 : x
  2. Step 2: Convert to fraction form
    17,326.26/25,986.69 = 5,639.40/x
  3. Step 3: Cross multiply
    17,326.26x = 25,986.69 × 5,639.40
  4. Step 4: Simplify right side
    17,326.26x = 146,549,339.59
  5. Step 5: Solve for x
    x = 146,549,339.59/17,326.26
  6. Step 6: Final answer
    x = 8,458.22

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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.