Home / 26,448.13-39,675.90-7,729.54

Finding the Fourth Proportional to 26,448.13, 39,675.90 and 7,729.54

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Solution

The fourth proportional to 26,448.13, 39,675.90 and 7,729.54 is: 11,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.13 : 39,675.90 = 7,729.54 : x
  2. Step 2: Convert to fraction form
    26,448.13/39,675.90 = 7,729.54/x
  3. Step 3: Cross multiply
    26,448.13x = 39,675.90 × 7,729.54
  4. Step 4: Simplify right side
    26,448.13x = 306,676,456.09
  5. Step 5: Solve for x
    x = 306,676,456.09/26,448.13
  6. Step 6: Final answer
    x = 11,595.39

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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.