Home / 26,379.74-39,568.20-6,658.47

Finding the Fourth Proportional to 26,379.74, 39,568.20 and 6,658.47

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Solution

The fourth proportional to 26,379.74, 39,568.20 and 6,658.47 is: 9,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.74 : 39,568.20 = 6,658.47 : x
  2. Step 2: Convert to fraction form
    26,379.74/39,568.20 = 6,658.47/x
  3. Step 3: Cross multiply
    26,379.74x = 39,568.20 × 6,658.47
  4. Step 4: Simplify right side
    26,379.74x = 263,463,647.68
  5. Step 5: Solve for x
    x = 263,463,647.68/26,379.74
  6. Step 6: Final answer
    x = 9,987.35

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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.