Home / 26,106.75-39,160.14-7,638.75

Finding the Fourth Proportional to 26,106.75, 39,160.14 and 7,638.75

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Solution

The fourth proportional to 26,106.75, 39,160.14 and 7,638.75 is: 11,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.75 : 39,160.14 = 7,638.75 : x
  2. Step 2: Convert to fraction form
    26,106.75/39,160.14 = 7,638.75/x
  3. Step 3: Cross multiply
    26,106.75x = 39,160.14 × 7,638.75
  4. Step 4: Simplify right side
    26,106.75x = 299,134,519.43
  5. Step 5: Solve for x
    x = 299,134,519.43/26,106.75
  6. Step 6: Final answer
    x = 11,458.13

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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.