Home / 28,741.20-39,664.34-15,994.41

Finding the Fourth Proportional to 28,741.20, 39,664.34 and 15,994.41

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Solution

The fourth proportional to 28,741.20, 39,664.34 and 15,994.41 is: 22,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.20 : 39,664.34 = 15,994.41 : x
  2. Step 2: Convert to fraction form
    28,741.20/39,664.34 = 15,994.41/x
  3. Step 3: Cross multiply
    28,741.20x = 39,664.34 × 15,994.41
  4. Step 4: Simplify right side
    28,741.20x = 634,407,716.34
  5. Step 5: Solve for x
    x = 634,407,716.34/28,741.20
  6. Step 6: Final answer
    x = 22,073.11

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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.