Home / 29,557.94-40,789.77-16,128.92

Finding the Fourth Proportional to 29,557.94, 40,789.77 and 16,128.92

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Solution

The fourth proportional to 29,557.94, 40,789.77 and 16,128.92 is: 22,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.94 : 40,789.77 = 16,128.92 : x
  2. Step 2: Convert to fraction form
    29,557.94/40,789.77 = 16,128.92/x
  3. Step 3: Cross multiply
    29,557.94x = 40,789.77 × 16,128.92
  4. Step 4: Simplify right side
    29,557.94x = 657,894,937.15
  5. Step 5: Solve for x
    x = 657,894,937.15/29,557.94
  6. Step 6: Final answer
    x = 22,257.81

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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.