Home / 29,286.72-40,415.85-16,365.99

Finding the Fourth Proportional to 29,286.72, 40,415.85 and 16,365.99

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Solution

The fourth proportional to 29,286.72, 40,415.85 and 16,365.99 is: 22,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.72 : 40,415.85 = 16,365.99 : x
  2. Step 2: Convert to fraction form
    29,286.72/40,415.85 = 16,365.99/x
  3. Step 3: Cross multiply
    29,286.72x = 40,415.85 × 16,365.99
  4. Step 4: Simplify right side
    29,286.72x = 661,445,396.94
  5. Step 5: Solve for x
    x = 661,445,396.94/29,286.72
  6. Step 6: Final answer
    x = 22,585.16

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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.