Home / 28,537.32-39,380.94-15,961.80

Finding the Fourth Proportional to 28,537.32, 39,380.94 and 15,961.80

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Solution

The fourth proportional to 28,537.32, 39,380.94 and 15,961.80 is: 22,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.32 : 39,380.94 = 15,961.80 : x
  2. Step 2: Convert to fraction form
    28,537.32/39,380.94 = 15,961.80/x
  3. Step 3: Cross multiply
    28,537.32x = 39,380.94 × 15,961.80
  4. Step 4: Simplify right side
    28,537.32x = 628,590,688.09
  5. Step 5: Solve for x
    x = 628,590,688.09/28,537.32
  6. Step 6: Final answer
    x = 22,026.97

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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.