Home / 23,721.10-32,736.10-13,649.56

Finding the Fourth Proportional to 23,721.10, 32,736.10 and 13,649.56

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Solution

The fourth proportional to 23,721.10, 32,736.10 and 13,649.56 is: 18,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.10 : 32,736.10 = 13,649.56 : x
  2. Step 2: Convert to fraction form
    23,721.10/32,736.10 = 13,649.56/x
  3. Step 3: Cross multiply
    23,721.10x = 32,736.10 × 13,649.56
  4. Step 4: Simplify right side
    23,721.10x = 446,833,361.12
  5. Step 5: Solve for x
    x = 446,833,361.12/23,721.10
  6. Step 6: Final answer
    x = 18,836.96

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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.