Home / 28,144.17-38,839.05-16,208.19

Finding the Fourth Proportional to 28,144.17, 38,839.05 and 16,208.19

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Solution

The fourth proportional to 28,144.17, 38,839.05 and 16,208.19 is: 22,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.17 : 38,839.05 = 16,208.19 : x
  2. Step 2: Convert to fraction form
    28,144.17/38,839.05 = 16,208.19/x
  3. Step 3: Cross multiply
    28,144.17x = 38,839.05 × 16,208.19
  4. Step 4: Simplify right side
    28,144.17x = 629,510,701.82
  5. Step 5: Solve for x
    x = 629,510,701.82/28,144.17
  6. Step 6: Final answer
    x = 22,367.36

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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.