Home / 28,857.13-39,825.26-16,284.31

Finding the Fourth Proportional to 28,857.13, 39,825.26 and 16,284.31

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Solution

The fourth proportional to 28,857.13, 39,825.26 and 16,284.31 is: 22,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.13 : 39,825.26 = 16,284.31 : x
  2. Step 2: Convert to fraction form
    28,857.13/39,825.26 = 16,284.31/x
  3. Step 3: Cross multiply
    28,857.13x = 39,825.26 × 16,284.31
  4. Step 4: Simplify right side
    28,857.13x = 648,526,721.26
  5. Step 5: Solve for x
    x = 648,526,721.26/28,857.13
  6. Step 6: Final answer
    x = 22,473.71

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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.