Home / 20,676.33-31,026.65-7,529.49

Finding the Fourth Proportional to 20,676.33, 31,026.65 and 7,529.49

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Solution

The fourth proportional to 20,676.33, 31,026.65 and 7,529.49 is: 11,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.33 : 31,026.65 = 7,529.49 : x
  2. Step 2: Convert to fraction form
    20,676.33/31,026.65 = 7,529.49/x
  3. Step 3: Cross multiply
    20,676.33x = 31,026.65 × 7,529.49
  4. Step 4: Simplify right side
    20,676.33x = 233,614,813.26
  5. Step 5: Solve for x
    x = 233,614,813.26/20,676.33
  6. Step 6: Final answer
    x = 11,298.66

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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.