Home / 26,448.28-39,676.14-7,729.70

Finding the Fourth Proportional to 26,448.28, 39,676.14 and 7,729.70

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Solution

The fourth proportional to 26,448.28, 39,676.14 and 7,729.70 is: 11,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.28 : 39,676.14 = 7,729.70 : x
  2. Step 2: Convert to fraction form
    26,448.28/39,676.14 = 7,729.70/x
  3. Step 3: Cross multiply
    26,448.28x = 39,676.14 × 7,729.70
  4. Step 4: Simplify right side
    26,448.28x = 306,684,659.36
  5. Step 5: Solve for x
    x = 306,684,659.36/26,448.28
  6. Step 6: Final answer
    x = 11,595.64

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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.