Home / 26,538.99-39,775.67-13,395.12

Finding the Fourth Proportional to 26,538.99, 39,775.67 and 13,395.12

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Solution

The fourth proportional to 26,538.99, 39,775.67 and 13,395.12 is: 20,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.99 : 39,775.67 = 13,395.12 : x
  2. Step 2: Convert to fraction form
    26,538.99/39,775.67 = 13,395.12/x
  3. Step 3: Cross multiply
    26,538.99x = 39,775.67 × 13,395.12
  4. Step 4: Simplify right side
    26,538.99x = 532,799,872.73
  5. Step 5: Solve for x
    x = 532,799,872.73/26,538.99
  6. Step 6: Final answer
    x = 20,076.12

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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.