Home / 20,410.80-30,544.92-17,669.76

Finding the Fourth Proportional to 20,410.80, 30,544.92 and 17,669.76

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Solution

The fourth proportional to 20,410.80, 30,544.92 and 17,669.76 is: 26,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.80 : 30,544.92 = 17,669.76 : x
  2. Step 2: Convert to fraction form
    20,410.80/30,544.92 = 17,669.76/x
  3. Step 3: Cross multiply
    20,410.80x = 30,544.92 × 17,669.76
  4. Step 4: Simplify right side
    20,410.80x = 539,721,405.62
  5. Step 5: Solve for x
    x = 539,721,405.62/20,410.80
  6. Step 6: Final answer
    x = 26,442.93

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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.