Home / 29,558.32-40,790.72-16,129.68

Finding the Fourth Proportional to 29,558.32, 40,790.72 and 16,129.68

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Solution

The fourth proportional to 29,558.32, 40,790.72 and 16,129.68 is: 22,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558.32 : 40,790.72 = 16,129.68 : x
  2. Step 2: Convert to fraction form
    29,558.32/40,790.72 = 16,129.68/x
  3. Step 3: Cross multiply
    29,558.32x = 40,790.72 × 16,129.68
  4. Step 4: Simplify right side
    29,558.32x = 657,941,260.57
  5. Step 5: Solve for x
    x = 657,941,260.57/29,558.32
  6. Step 6: Final answer
    x = 22,259.09

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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.