Home / 29,003.20-40,026.24-16,429.12

Finding the Fourth Proportional to 29,003.20, 40,026.24 and 16,429.12

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Solution

The fourth proportional to 29,003.20, 40,026.24 and 16,429.12 is: 22,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,003.20 : 40,026.24 = 16,429.12 : x
  2. Step 2: Convert to fraction form
    29,003.20/40,026.24 = 16,429.12/x
  3. Step 3: Cross multiply
    29,003.20x = 40,026.24 × 16,429.12
  4. Step 4: Simplify right side
    29,003.20x = 657,595,900.11
  5. Step 5: Solve for x
    x = 657,595,900.11/29,003.20
  6. Step 6: Final answer
    x = 22,673.22

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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.