Home / 29,310.71-40,448.73-15,882.33

Finding the Fourth Proportional to 29,310.71, 40,448.73 and 15,882.33

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Solution

The fourth proportional to 29,310.71, 40,448.73 and 15,882.33 is: 21,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.71 : 40,448.73 = 15,882.33 : x
  2. Step 2: Convert to fraction form
    29,310.71/40,448.73 = 15,882.33/x
  3. Step 3: Cross multiply
    29,310.71x = 40,448.73 × 15,882.33
  4. Step 4: Simplify right side
    29,310.71x = 642,419,927.65
  5. Step 5: Solve for x
    x = 642,419,927.65/29,310.71
  6. Step 6: Final answer
    x = 21,917.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.