Home / 29,448.83-40,638.78-16,020.41

Finding the Fourth Proportional to 29,448.83, 40,638.78 and 16,020.41

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Solution

The fourth proportional to 29,448.83, 40,638.78 and 16,020.41 is: 22,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.83 : 40,638.78 = 16,020.41 : x
  2. Step 2: Convert to fraction form
    29,448.83/40,638.78 = 16,020.41/x
  3. Step 3: Cross multiply
    29,448.83x = 40,638.78 × 16,020.41
  4. Step 4: Simplify right side
    29,448.83x = 651,049,917.50
  5. Step 5: Solve for x
    x = 651,049,917.50/29,448.83
  6. Step 6: Final answer
    x = 22,107.84

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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.