Home / 20,841.26-31,329.63-16,726.36

Finding the Fourth Proportional to 20,841.26, 31,329.63 and 16,726.36

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Solution

The fourth proportional to 20,841.26, 31,329.63 and 16,726.36 is: 25,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.26 : 31,329.63 = 16,726.36 : x
  2. Step 2: Convert to fraction form
    20,841.26/31,329.63 = 16,726.36/x
  3. Step 3: Cross multiply
    20,841.26x = 31,329.63 × 16,726.36
  4. Step 4: Simplify right side
    20,841.26x = 524,030,591.72
  5. Step 5: Solve for x
    x = 524,030,591.72/20,841.26
  6. Step 6: Final answer
    x = 25,143.90

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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.