Home / 28,104.23-38,782.77-16,171.41

Finding the Fourth Proportional to 28,104.23, 38,782.77 and 16,171.41

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Solution

The fourth proportional to 28,104.23, 38,782.77 and 16,171.41 is: 22,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.23 : 38,782.77 = 16,171.41 : x
  2. Step 2: Convert to fraction form
    28,104.23/38,782.77 = 16,171.41/x
  3. Step 3: Cross multiply
    28,104.23x = 38,782.77 × 16,171.41
  4. Step 4: Simplify right side
    28,104.23x = 627,172,159.40
  5. Step 5: Solve for x
    x = 627,172,159.40/28,104.23
  6. Step 6: Final answer
    x = 22,315.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.