Home / 29,245.97-40,359.32-15,817.24

Finding the Fourth Proportional to 29,245.97, 40,359.32 and 15,817.24

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Solution

The fourth proportional to 29,245.97, 40,359.32 and 15,817.24 is: 21,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,245.97 : 40,359.32 = 15,817.24 : x
  2. Step 2: Convert to fraction form
    29,245.97/40,359.32 = 15,817.24/x
  3. Step 3: Cross multiply
    29,245.97x = 40,359.32 × 15,817.24
  4. Step 4: Simplify right side
    29,245.97x = 638,373,050.68
  5. Step 5: Solve for x
    x = 638,373,050.68/29,245.97
  6. Step 6: Final answer
    x = 21,827.73

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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.