Home / 28,825.66-39,768.33-16,884.64

Finding the Fourth Proportional to 28,825.66, 39,768.33 and 16,884.64

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Solution

The fourth proportional to 28,825.66, 39,768.33 and 16,884.64 is: 23,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.66 : 39,768.33 = 16,884.64 : x
  2. Step 2: Convert to fraction form
    28,825.66/39,768.33 = 16,884.64/x
  3. Step 3: Cross multiply
    28,825.66x = 39,768.33 × 16,884.64
  4. Step 4: Simplify right side
    28,825.66x = 671,473,935.45
  5. Step 5: Solve for x
    x = 671,473,935.45/28,825.66
  6. Step 6: Final answer
    x = 23,294.31

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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.