Home / 29,989.68-41,385.78-16,560.96

Finding the Fourth Proportional to 29,989.68, 41,385.78 and 16,560.96

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Solution

The fourth proportional to 29,989.68, 41,385.78 and 16,560.96 is: 22,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.68 : 41,385.78 = 16,560.96 : x
  2. Step 2: Convert to fraction form
    29,989.68/41,385.78 = 16,560.96/x
  3. Step 3: Cross multiply
    29,989.68x = 41,385.78 × 16,560.96
  4. Step 4: Simplify right side
    29,989.68x = 685,388,247.15
  5. Step 5: Solve for x
    x = 685,388,247.15/29,989.68
  6. Step 6: Final answer
    x = 22,854.14

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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.