Home / 26,129.33-39,191.33-7,155.65

Finding the Fourth Proportional to 26,129.33, 39,191.33 and 7,155.65

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Solution

The fourth proportional to 26,129.33, 39,191.33 and 7,155.65 is: 10,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.33 : 39,191.33 = 7,155.65 : x
  2. Step 2: Convert to fraction form
    26,129.33/39,191.33 = 7,155.65/x
  3. Step 3: Cross multiply
    26,129.33x = 39,191.33 × 7,155.65
  4. Step 4: Simplify right side
    26,129.33x = 280,439,516.13
  5. Step 5: Solve for x
    x = 280,439,516.13/26,129.33
  6. Step 6: Final answer
    x = 10,732.75

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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.