Home / 23,820.21-32,872.10-13,209.75

Finding the Fourth Proportional to 23,820.21, 32,872.10 and 13,209.75

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Solution

The fourth proportional to 23,820.21, 32,872.10 and 13,209.75 is: 18,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.21 : 32,872.10 = 13,209.75 : x
  2. Step 2: Convert to fraction form
    23,820.21/32,872.10 = 13,209.75/x
  3. Step 3: Cross multiply
    23,820.21x = 32,872.10 × 13,209.75
  4. Step 4: Simplify right side
    23,820.21x = 434,232,156.93
  5. Step 5: Solve for x
    x = 434,232,156.93/23,820.21
  6. Step 6: Final answer
    x = 18,229.57

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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.