Home / 29,723.64-41,022.86-18,396.78

Finding the Fourth Proportional to 29,723.64, 41,022.86 and 18,396.78

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Solution

The fourth proportional to 29,723.64, 41,022.86 and 18,396.78 is: 25,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,723.64 : 41,022.86 = 18,396.78 : x
  2. Step 2: Convert to fraction form
    29,723.64/41,022.86 = 18,396.78/x
  3. Step 3: Cross multiply
    29,723.64x = 41,022.86 × 18,396.78
  4. Step 4: Simplify right side
    29,723.64x = 754,688,438.41
  5. Step 5: Solve for x
    x = 754,688,438.41/29,723.64
  6. Step 6: Final answer
    x = 25,390.18

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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.