Home / 29,557.24-40,789.04-16,128.56

Finding the Fourth Proportional to 29,557.24, 40,789.04 and 16,128.56

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Solution

The fourth proportional to 29,557.24, 40,789.04 and 16,128.56 is: 22,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.24 : 40,789.04 = 16,128.56 : x
  2. Step 2: Convert to fraction form
    29,557.24/40,789.04 = 16,128.56/x
  3. Step 3: Cross multiply
    29,557.24x = 40,789.04 × 16,128.56
  4. Step 4: Simplify right side
    29,557.24x = 657,868,478.98
  5. Step 5: Solve for x
    x = 657,868,478.98/29,557.24
  6. Step 6: Final answer
    x = 22,257.44

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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.