Home / 29,007.72-40,029.30-16,432.56

Finding the Fourth Proportional to 29,007.72, 40,029.30 and 16,432.56

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Solution

The fourth proportional to 29,007.72, 40,029.30 and 16,432.56 is: 22,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.72 : 40,029.30 = 16,432.56 : x
  2. Step 2: Convert to fraction form
    29,007.72/40,029.30 = 16,432.56/x
  3. Step 3: Cross multiply
    29,007.72x = 40,029.30 × 16,432.56
  4. Step 4: Simplify right side
    29,007.72x = 657,783,874.01
  5. Step 5: Solve for x
    x = 657,783,874.01/29,007.72
  6. Step 6: Final answer
    x = 22,676.17

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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.