Home / 23,329.85-32,195.34-12,720.15

Finding the Fourth Proportional to 23,329.85, 32,195.34 and 12,720.15

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Solution

The fourth proportional to 23,329.85, 32,195.34 and 12,720.15 is: 17,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,329.85 : 32,195.34 = 12,720.15 : x
  2. Step 2: Convert to fraction form
    23,329.85/32,195.34 = 12,720.15/x
  3. Step 3: Cross multiply
    23,329.85x = 32,195.34 × 12,720.15
  4. Step 4: Simplify right side
    23,329.85x = 409,529,554.10
  5. Step 5: Solve for x
    x = 409,529,554.10/23,329.85
  6. Step 6: Final answer
    x = 17,553.89

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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.