Home / 26,396.74-39,561.90-18,861.04

Finding the Fourth Proportional to 26,396.74, 39,561.90 and 18,861.04

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Solution

The fourth proportional to 26,396.74, 39,561.90 and 18,861.04 is: 28,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.74 : 39,561.90 = 18,861.04 : x
  2. Step 2: Convert to fraction form
    26,396.74/39,561.90 = 18,861.04/x
  3. Step 3: Cross multiply
    26,396.74x = 39,561.90 × 18,861.04
  4. Step 4: Simplify right side
    26,396.74x = 746,178,578.38
  5. Step 5: Solve for x
    x = 746,178,578.38/26,396.74
  6. Step 6: Final answer
    x = 28,267.83

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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.