Home / 28,208.66-42,326.82-19,941.80

Finding the Fourth Proportional to 28,208.66, 42,326.82 and 19,941.80

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Solution

The fourth proportional to 28,208.66, 42,326.82 and 19,941.80 is: 29,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.66 : 42,326.82 = 19,941.80 : x
  2. Step 2: Convert to fraction form
    28,208.66/42,326.82 = 19,941.80/x
  3. Step 3: Cross multiply
    28,208.66x = 42,326.82 × 19,941.80
  4. Step 4: Simplify right side
    28,208.66x = 844,072,767.44
  5. Step 5: Solve for x
    x = 844,072,767.44/28,208.66
  6. Step 6: Final answer
    x = 29,922.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.