Home / 26,491.62-39,700.48-19,910.10

Finding the Fourth Proportional to 26,491.62, 39,700.48 and 19,910.10

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Solution

The fourth proportional to 26,491.62, 39,700.48 and 19,910.10 is: 29,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.62 : 39,700.48 = 19,910.10 : x
  2. Step 2: Convert to fraction form
    26,491.62/39,700.48 = 19,910.10/x
  3. Step 3: Cross multiply
    26,491.62x = 39,700.48 × 19,910.10
  4. Step 4: Simplify right side
    26,491.62x = 790,440,526.85
  5. Step 5: Solve for x
    x = 790,440,526.85/26,491.62
  6. Step 6: Final answer
    x = 29,837.38

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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.