Home / 23,431.79-32,336.67-13,361.72

Finding the Fourth Proportional to 23,431.79, 32,336.67 and 13,361.72

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Solution

The fourth proportional to 23,431.79, 32,336.67 and 13,361.72 is: 18,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.79 : 32,336.67 = 13,361.72 : x
  2. Step 2: Convert to fraction form
    23,431.79/32,336.67 = 13,361.72/x
  3. Step 3: Cross multiply
    23,431.79x = 32,336.67 × 13,361.72
  4. Step 4: Simplify right side
    23,431.79x = 432,073,530.27
  5. Step 5: Solve for x
    x = 432,073,530.27/23,431.79
  6. Step 6: Final answer
    x = 18,439.63

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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.