Home / 17,721.59-26,550.99-15,790.95

Finding the Fourth Proportional to 17,721.59, 26,550.99 and 15,790.95

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Solution

The fourth proportional to 17,721.59, 26,550.99 and 15,790.95 is: 23,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.59 : 26,550.99 = 15,790.95 : x
  2. Step 2: Convert to fraction form
    17,721.59/26,550.99 = 15,790.95/x
  3. Step 3: Cross multiply
    17,721.59x = 26,550.99 × 15,790.95
  4. Step 4: Simplify right side
    17,721.59x = 419,265,355.54
  5. Step 5: Solve for x
    x = 419,265,355.54/17,721.59
  6. Step 6: Final answer
    x = 23,658.46

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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.