Home / 29,644.09-40,907.97-16,215.05

Finding the Fourth Proportional to 29,644.09, 40,907.97 and 16,215.05

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Solution

The fourth proportional to 29,644.09, 40,907.97 and 16,215.05 is: 22,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.09 : 40,907.97 = 16,215.05 : x
  2. Step 2: Convert to fraction form
    29,644.09/40,907.97 = 16,215.05/x
  3. Step 3: Cross multiply
    29,644.09x = 40,907.97 × 16,215.05
  4. Step 4: Simplify right side
    29,644.09x = 663,324,921.76
  5. Step 5: Solve for x
    x = 663,324,921.76/29,644.09
  6. Step 6: Final answer
    x = 22,376.30

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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.