Home / 29,257.75-40,382.90-16,689.79

Finding the Fourth Proportional to 29,257.75, 40,382.90 and 16,689.79

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Solution

The fourth proportional to 29,257.75, 40,382.90 and 16,689.79 is: 23,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.75 : 40,382.90 = 16,689.79 : x
  2. Step 2: Convert to fraction form
    29,257.75/40,382.90 = 16,689.79/x
  3. Step 3: Cross multiply
    29,257.75x = 40,382.90 × 16,689.79
  4. Step 4: Simplify right side
    29,257.75x = 673,982,120.59
  5. Step 5: Solve for x
    x = 673,982,120.59/29,257.75
  6. Step 6: Final answer
    x = 23,036.02

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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.