Home / 23,330.26-32,195.59-12,720.34

Finding the Fourth Proportional to 23,330.26, 32,195.59 and 12,720.34

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Solution

The fourth proportional to 23,330.26, 32,195.59 and 12,720.34 is: 17,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.26 : 32,195.59 = 12,720.34 : x
  2. Step 2: Convert to fraction form
    23,330.26/32,195.59 = 12,720.34/x
  3. Step 3: Cross multiply
    23,330.26x = 32,195.59 × 12,720.34
  4. Step 4: Simplify right side
    23,330.26x = 409,538,851.30
  5. Step 5: Solve for x
    x = 409,538,851.30/23,330.26
  6. Step 6: Final answer
    x = 17,553.98

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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.