Home / 28,242.82-38,969.94-16,301.80

Finding the Fourth Proportional to 28,242.82, 38,969.94 and 16,301.80

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Solution

The fourth proportional to 28,242.82, 38,969.94 and 16,301.80 is: 22,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.82 : 38,969.94 = 16,301.80 : x
  2. Step 2: Convert to fraction form
    28,242.82/38,969.94 = 16,301.80/x
  3. Step 3: Cross multiply
    28,242.82x = 38,969.94 × 16,301.80
  4. Step 4: Simplify right side
    28,242.82x = 635,280,167.89
  5. Step 5: Solve for x
    x = 635,280,167.89/28,242.82
  6. Step 6: Final answer
    x = 22,493.51

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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.