Home / 29,154.75-40,234.77-17,228.31

Finding the Fourth Proportional to 29,154.75, 40,234.77 and 17,228.31

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Solution

The fourth proportional to 29,154.75, 40,234.77 and 17,228.31 is: 23,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.75 : 40,234.77 = 17,228.31 : x
  2. Step 2: Convert to fraction form
    29,154.75/40,234.77 = 17,228.31/x
  3. Step 3: Cross multiply
    29,154.75x = 40,234.77 × 17,228.31
  4. Step 4: Simplify right side
    29,154.75x = 693,177,090.34
  5. Step 5: Solve for x
    x = 693,177,090.34/29,154.75
  6. Step 6: Final answer
    x = 23,775.79

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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.