Home / 29,628.68-40,887.62-16,881.31

Finding the Fourth Proportional to 29,628.68, 40,887.62 and 16,881.31

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Solution

The fourth proportional to 29,628.68, 40,887.62 and 16,881.31 is: 23,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,628.68 : 40,887.62 = 16,881.31 : x
  2. Step 2: Convert to fraction form
    29,628.68/40,887.62 = 16,881.31/x
  3. Step 3: Cross multiply
    29,628.68x = 40,887.62 × 16,881.31
  4. Step 4: Simplify right side
    29,628.68x = 690,236,299.54
  5. Step 5: Solve for x
    x = 690,236,299.54/29,628.68
  6. Step 6: Final answer
    x = 23,296.22

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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.