Home / 15,965.40-23,939.90-8,576.08

Finding the Fourth Proportional to 15,965.40, 23,939.90 and 8,576.08

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Solution

The fourth proportional to 15,965.40, 23,939.90 and 8,576.08 is: 12,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.40 : 23,939.90 = 8,576.08 : x
  2. Step 2: Convert to fraction form
    15,965.40/23,939.90 = 8,576.08/x
  3. Step 3: Cross multiply
    15,965.40x = 23,939.90 × 8,576.08
  4. Step 4: Simplify right side
    15,965.40x = 205,310,475.26
  5. Step 5: Solve for x
    x = 205,310,475.26/15,965.40
  6. Step 6: Final answer
    x = 12,859.71

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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.