Home / 29,627.28-40,887.12-16,880.64

Finding the Fourth Proportional to 29,627.28, 40,887.12 and 16,880.64

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Solution

The fourth proportional to 29,627.28, 40,887.12 and 16,880.64 is: 23,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,627.28 : 40,887.12 = 16,880.64 : x
  2. Step 2: Convert to fraction form
    29,627.28/40,887.12 = 16,880.64/x
  3. Step 3: Cross multiply
    29,627.28x = 40,887.12 × 16,880.64
  4. Step 4: Simplify right side
    29,627.28x = 690,200,753.36
  5. Step 5: Solve for x
    x = 690,200,753.36/29,627.28
  6. Step 6: Final answer
    x = 23,296.12

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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.