Home / 26,105.81-39,157.34-9,237.65

Finding the Fourth Proportional to 26,105.81, 39,157.34 and 9,237.65

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Solution

The fourth proportional to 26,105.81, 39,157.34 and 9,237.65 is: 13,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.81 : 39,157.34 = 9,237.65 : x
  2. Step 2: Convert to fraction form
    26,105.81/39,157.34 = 9,237.65/x
  3. Step 3: Cross multiply
    26,105.81x = 39,157.34 × 9,237.65
  4. Step 4: Simplify right side
    26,105.81x = 361,721,559.88
  5. Step 5: Solve for x
    x = 361,721,559.88/26,105.81
  6. Step 6: Final answer
    x = 13,855.98

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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.