Home / 23,021.22-31,763.96-13,591.20

Finding the Fourth Proportional to 23,021.22, 31,763.96 and 13,591.20

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Solution

The fourth proportional to 23,021.22, 31,763.96 and 13,591.20 is: 18,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.22 : 31,763.96 = 13,591.20 : x
  2. Step 2: Convert to fraction form
    23,021.22/31,763.96 = 13,591.20/x
  3. Step 3: Cross multiply
    23,021.22x = 31,763.96 × 13,591.20
  4. Step 4: Simplify right side
    23,021.22x = 431,710,333.15
  5. Step 5: Solve for x
    x = 431,710,333.15/23,021.22
  6. Step 6: Final answer
    x = 18,752.71

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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.