Home / 26,329.96-39,459.90-12,982.58

Finding the Fourth Proportional to 26,329.96, 39,459.90 and 12,982.58

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Solution

The fourth proportional to 26,329.96, 39,459.90 and 12,982.58 is: 19,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,329.96 : 39,459.90 = 12,982.58 : x
  2. Step 2: Convert to fraction form
    26,329.96/39,459.90 = 12,982.58/x
  3. Step 3: Cross multiply
    26,329.96x = 39,459.90 × 12,982.58
  4. Step 4: Simplify right side
    26,329.96x = 512,291,308.54
  5. Step 5: Solve for x
    x = 512,291,308.54/26,329.96
  6. Step 6: Final answer
    x = 19,456.59

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1.5x scale

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.