Home / 25,309.24-37,912.82-21,190.38

Finding the Fourth Proportional to 25,309.24, 37,912.82 and 21,190.38

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Solution

The fourth proportional to 25,309.24, 37,912.82 and 21,190.38 is: 31,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.24 : 37,912.82 = 21,190.38 : x
  2. Step 2: Convert to fraction form
    25,309.24/37,912.82 = 21,190.38/x
  3. Step 3: Cross multiply
    25,309.24x = 37,912.82 × 21,190.38
  4. Step 4: Simplify right side
    25,309.24x = 803,387,062.67
  5. Step 5: Solve for x
    x = 803,387,062.67/25,309.24
  6. Step 6: Final answer
    x = 31,742.84

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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.