Home / 21,542.30-29,751.03-19,194.15

Finding the Fourth Proportional to 21,542.30, 29,751.03 and 19,194.15

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Solution

The fourth proportional to 21,542.30, 29,751.03 and 19,194.15 is: 26,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.30 : 29,751.03 = 19,194.15 : x
  2. Step 2: Convert to fraction form
    21,542.30/29,751.03 = 19,194.15/x
  3. Step 3: Cross multiply
    21,542.30x = 29,751.03 × 19,194.15
  4. Step 4: Simplify right side
    21,542.30x = 571,045,732.47
  5. Step 5: Solve for x
    x = 571,045,732.47/21,542.30
  6. Step 6: Final answer
    x = 26,508.11

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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.