Home / 26,581.29-39,881.12-11,800.55

Finding the Fourth Proportional to 26,581.29, 39,881.12 and 11,800.55

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Solution

The fourth proportional to 26,581.29, 39,881.12 and 11,800.55 is: 17,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.29 : 39,881.12 = 11,800.55 : x
  2. Step 2: Convert to fraction form
    26,581.29/39,881.12 = 11,800.55/x
  3. Step 3: Cross multiply
    26,581.29x = 39,881.12 × 11,800.55
  4. Step 4: Simplify right side
    26,581.29x = 470,618,892.21
  5. Step 5: Solve for x
    x = 470,618,892.21/26,581.29
  6. Step 6: Final answer
    x = 17,704.89

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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.