Home / 23,729.80-32,747.80-13,120.11

Finding the Fourth Proportional to 23,729.80, 32,747.80 and 13,120.11

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Solution

The fourth proportional to 23,729.80, 32,747.80 and 13,120.11 is: 18,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,729.80 : 32,747.80 = 13,120.11 : x
  2. Step 2: Convert to fraction form
    23,729.80/32,747.80 = 13,120.11/x
  3. Step 3: Cross multiply
    23,729.80x = 32,747.80 × 13,120.11
  4. Step 4: Simplify right side
    23,729.80x = 429,654,738.26
  5. Step 5: Solve for x
    x = 429,654,738.26/23,729.80
  6. Step 6: Final answer
    x = 18,106.13

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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.