Home / 26,379.98-39,569.82-6,658.45

Finding the Fourth Proportional to 26,379.98, 39,569.82 and 6,658.45

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Solution

The fourth proportional to 26,379.98, 39,569.82 and 6,658.45 is: 9,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.98 : 39,569.82 = 6,658.45 : x
  2. Step 2: Convert to fraction form
    26,379.98/39,569.82 = 6,658.45/x
  3. Step 3: Cross multiply
    26,379.98x = 39,569.82 × 6,658.45
  4. Step 4: Simplify right side
    26,379.98x = 263,473,766.67
  5. Step 5: Solve for x
    x = 263,473,766.67/26,379.98
  6. Step 6: Final answer
    x = 9,987.64

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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.