Home / 25,231.80-37,798.49-21,721.67

Finding the Fourth Proportional to 25,231.80, 37,798.49 and 21,721.67

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Solution

The fourth proportional to 25,231.80, 37,798.49 and 21,721.67 is: 32,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.80 : 37,798.49 = 21,721.67 : x
  2. Step 2: Convert to fraction form
    25,231.80/37,798.49 = 21,721.67/x
  3. Step 3: Cross multiply
    25,231.80x = 37,798.49 × 21,721.67
  4. Step 4: Simplify right side
    25,231.80x = 821,046,137.29
  5. Step 5: Solve for x
    x = 821,046,137.29/25,231.80
  6. Step 6: Final answer
    x = 32,540.13

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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.