Home / 29,860.74-41,192.39-20,888.57

Finding the Fourth Proportional to 29,860.74, 41,192.39 and 20,888.57

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Solution

The fourth proportional to 29,860.74, 41,192.39 and 20,888.57 is: 28,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860.74 : 41,192.39 = 20,888.57 : x
  2. Step 2: Convert to fraction form
    29,860.74/41,192.39 = 20,888.57/x
  3. Step 3: Cross multiply
    29,860.74x = 41,192.39 × 20,888.57
  4. Step 4: Simplify right side
    29,860.74x = 860,449,811.58
  5. Step 5: Solve for x
    x = 860,449,811.58/29,860.74
  6. Step 6: Final answer
    x = 28,815.42

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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.