Home / 23,022.30-31,751.82-13,581.75

Finding the Fourth Proportional to 23,022.30, 31,751.82 and 13,581.75

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Solution

The fourth proportional to 23,022.30, 31,751.82 and 13,581.75 is: 18,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022.30 : 31,751.82 = 13,581.75 : x
  2. Step 2: Convert to fraction form
    23,022.30/31,751.82 = 13,581.75/x
  3. Step 3: Cross multiply
    23,022.30x = 31,751.82 × 13,581.75
  4. Step 4: Simplify right side
    23,022.30x = 431,245,281.29
  5. Step 5: Solve for x
    x = 431,245,281.29/23,022.30
  6. Step 6: Final answer
    x = 18,731.63

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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.