Home / 29,157.32-40,194.08-20,632.96

Finding the Fourth Proportional to 29,157.32, 40,194.08 and 20,632.96

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Solution

The fourth proportional to 29,157.32, 40,194.08 and 20,632.96 is: 28,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.32 : 40,194.08 = 20,632.96 : x
  2. Step 2: Convert to fraction form
    29,157.32/40,194.08 = 20,632.96/x
  3. Step 3: Cross multiply
    29,157.32x = 40,194.08 × 20,632.96
  4. Step 4: Simplify right side
    29,157.32x = 829,322,844.88
  5. Step 5: Solve for x
    x = 829,322,844.88/29,157.32
  6. Step 6: Final answer
    x = 28,443.04

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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.