Home / 19,519.35-29,278.92-4,728.27

Finding the Fourth Proportional to 19,519.35, 29,278.92 and 4,728.27

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Solution

The fourth proportional to 19,519.35, 29,278.92 and 4,728.27 is: 7,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.35 : 29,278.92 = 4,728.27 : x
  2. Step 2: Convert to fraction form
    19,519.35/29,278.92 = 4,728.27/x
  3. Step 3: Cross multiply
    19,519.35x = 29,278.92 × 4,728.27
  4. Step 4: Simplify right side
    19,519.35x = 138,438,506.26
  5. Step 5: Solve for x
    x = 138,438,506.26/19,519.35
  6. Step 6: Final answer
    x = 7,092.37

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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.