Home / 26,378.43-39,482.69-17,379.96

Finding the Fourth Proportional to 26,378.43, 39,482.69 and 17,379.96

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Solution

The fourth proportional to 26,378.43, 39,482.69 and 17,379.96 is: 26,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.43 : 39,482.69 = 17,379.96 : x
  2. Step 2: Convert to fraction form
    26,378.43/39,482.69 = 17,379.96/x
  3. Step 3: Cross multiply
    26,378.43x = 39,482.69 × 17,379.96
  4. Step 4: Simplify right side
    26,378.43x = 686,207,485.99
  5. Step 5: Solve for x
    x = 686,207,485.99/26,378.43
  6. Step 6: Final answer
    x = 26,013.96

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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.