Home / 29,205.80-40,308.18-16,631.72

Finding the Fourth Proportional to 29,205.80, 40,308.18 and 16,631.72

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Solution

The fourth proportional to 29,205.80, 40,308.18 and 16,631.72 is: 22,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.80 : 40,308.18 = 16,631.72 : x
  2. Step 2: Convert to fraction form
    29,205.80/40,308.18 = 16,631.72/x
  3. Step 3: Cross multiply
    29,205.80x = 40,308.18 × 16,631.72
  4. Step 4: Simplify right side
    29,205.80x = 670,394,363.47
  5. Step 5: Solve for x
    x = 670,394,363.47/29,205.80
  6. Step 6: Final answer
    x = 22,954.15

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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.