Home / 26,233.88-36,216.41-20,400.03

Finding the Fourth Proportional to 26,233.88, 36,216.41 and 20,400.03

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Solution

The fourth proportional to 26,233.88, 36,216.41 and 20,400.03 is: 28,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,233.88 : 36,216.41 = 20,400.03 : x
  2. Step 2: Convert to fraction form
    26,233.88/36,216.41 = 20,400.03/x
  3. Step 3: Cross multiply
    26,233.88x = 36,216.41 × 20,400.03
  4. Step 4: Simplify right side
    26,233.88x = 738,815,748.49
  5. Step 5: Solve for x
    x = 738,815,748.49/26,233.88
  6. Step 6: Final answer
    x = 28,162.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.