Home / 29,153.21-40,228.53-16,406.10

Finding the Fourth Proportional to 29,153.21, 40,228.53 and 16,406.10

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Solution

The fourth proportional to 29,153.21, 40,228.53 and 16,406.10 is: 22,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.21 : 40,228.53 = 16,406.10 : x
  2. Step 2: Convert to fraction form
    29,153.21/40,228.53 = 16,406.10/x
  3. Step 3: Cross multiply
    29,153.21x = 40,228.53 × 16,406.10
  4. Step 4: Simplify right side
    29,153.21x = 659,993,286.03
  5. Step 5: Solve for x
    x = 659,993,286.03/29,153.21
  6. Step 6: Final answer
    x = 22,638.79

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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.