Home / 29,558.94-40,791.15-16,129.92

Finding the Fourth Proportional to 29,558.94, 40,791.15 and 16,129.92

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Solution

The fourth proportional to 29,558.94, 40,791.15 and 16,129.92 is: 22,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.94 : 40,791.15 = 16,129.92 : x
  2. Step 2: Convert to fraction form
    29,558.94/40,791.15 = 16,129.92/x
  3. Step 3: Cross multiply
    29,558.94x = 40,791.15 × 16,129.92
  4. Step 4: Simplify right side
    29,558.94x = 657,957,986.21
  5. Step 5: Solve for x
    x = 657,957,986.21/29,558.94
  6. Step 6: Final answer
    x = 22,259.19

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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.