Home / 26,589.86-39,872.55-9,054.98

Finding the Fourth Proportional to 26,589.86, 39,872.55 and 9,054.98

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Solution

The fourth proportional to 26,589.86, 39,872.55 and 9,054.98 is: 13,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.86 : 39,872.55 = 9,054.98 : x
  2. Step 2: Convert to fraction form
    26,589.86/39,872.55 = 9,054.98/x
  3. Step 3: Cross multiply
    26,589.86x = 39,872.55 × 9,054.98
  4. Step 4: Simplify right side
    26,589.86x = 361,045,142.80
  5. Step 5: Solve for x
    x = 361,045,142.80/26,589.86
  6. Step 6: Final answer
    x = 13,578.30

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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.