Home / 19,976.94-29,918.73-15,788.85

Finding the Fourth Proportional to 19,976.94, 29,918.73 and 15,788.85

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Solution

The fourth proportional to 19,976.94, 29,918.73 and 15,788.85 is: 23,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.94 : 29,918.73 = 15,788.85 : x
  2. Step 2: Convert to fraction form
    19,976.94/29,918.73 = 15,788.85/x
  3. Step 3: Cross multiply
    19,976.94x = 29,918.73 × 15,788.85
  4. Step 4: Simplify right side
    19,976.94x = 472,382,340.16
  5. Step 5: Solve for x
    x = 472,382,340.16/19,976.94
  6. Step 6: Final answer
    x = 23,646.38

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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.