Home / 28,030.33-41,998.77-19,695.42

Finding the Fourth Proportional to 28,030.33, 41,998.77 and 19,695.42

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Solution

The fourth proportional to 28,030.33, 41,998.77 and 19,695.42 is: 29,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.33 : 41,998.77 = 19,695.42 : x
  2. Step 2: Convert to fraction form
    28,030.33/41,998.77 = 19,695.42/x
  3. Step 3: Cross multiply
    28,030.33x = 41,998.77 × 19,695.42
  4. Step 4: Simplify right side
    28,030.33x = 827,183,414.63
  5. Step 5: Solve for x
    x = 827,183,414.63/28,030.33
  6. Step 6: Final answer
    x = 29,510.30

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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.