Home / 29,004.05-40,025.58-16,428.80

Finding the Fourth Proportional to 29,004.05, 40,025.58 and 16,428.80

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Solution

The fourth proportional to 29,004.05, 40,025.58 and 16,428.80 is: 22,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.05 : 40,025.58 = 16,428.80 : x
  2. Step 2: Convert to fraction form
    29,004.05/40,025.58 = 16,428.80/x
  3. Step 3: Cross multiply
    29,004.05x = 40,025.58 × 16,428.80
  4. Step 4: Simplify right side
    29,004.05x = 657,572,048.58
  5. Step 5: Solve for x
    x = 657,572,048.58/29,004.05
  6. Step 6: Final answer
    x = 22,671.74

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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.