Home / 29,310.84-40,449-15,882.24

Finding the Fourth Proportional to 29,310.84, 40,449 and 15,882.24

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Solution

The fourth proportional to 29,310.84, 40,449 and 15,882.24 is: 21,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.84 : 40,449 = 15,882.24 : x
  2. Step 2: Convert to fraction form
    29,310.84/40,449 = 15,882.24/x
  3. Step 3: Cross multiply
    29,310.84x = 40,449 × 15,882.24
  4. Step 4: Simplify right side
    29,310.84x = 642,420,725.76
  5. Step 5: Solve for x
    x = 642,420,725.76/29,310.84
  6. Step 6: Final answer
    x = 21,917.51

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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.