Home / 19,082.51-28,640.24-13,243.22

Finding the Fourth Proportional to 19,082.51, 28,640.24 and 13,243.22

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Solution

The fourth proportional to 19,082.51, 28,640.24 and 13,243.22 is: 19,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.51 : 28,640.24 = 13,243.22 : x
  2. Step 2: Convert to fraction form
    19,082.51/28,640.24 = 13,243.22/x
  3. Step 3: Cross multiply
    19,082.51x = 28,640.24 × 13,243.22
  4. Step 4: Simplify right side
    19,082.51x = 379,288,789.76
  5. Step 5: Solve for x
    x = 379,288,789.76/19,082.51
  6. Step 6: Final answer
    x = 19,876.26

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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.