Home / 28,537.92-39,382.20-15,962.76

Finding the Fourth Proportional to 28,537.92, 39,382.20 and 15,962.76

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Solution

The fourth proportional to 28,537.92, 39,382.20 and 15,962.76 is: 22,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.92 : 39,382.20 = 15,962.76 : x
  2. Step 2: Convert to fraction form
    28,537.92/39,382.20 = 15,962.76/x
  3. Step 3: Cross multiply
    28,537.92x = 39,382.20 × 15,962.76
  4. Step 4: Simplify right side
    28,537.92x = 628,648,606.87
  5. Step 5: Solve for x
    x = 628,648,606.87/28,537.92
  6. Step 6: Final answer
    x = 22,028.54

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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.