Home / 23,740.19-32,758.62-13,128.38

Finding the Fourth Proportional to 23,740.19, 32,758.62 and 13,128.38

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Solution

The fourth proportional to 23,740.19, 32,758.62 and 13,128.38 is: 18,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.19 : 32,758.62 = 13,128.38 : x
  2. Step 2: Convert to fraction form
    23,740.19/32,758.62 = 13,128.38/x
  3. Step 3: Cross multiply
    23,740.19x = 32,758.62 × 13,128.38
  4. Step 4: Simplify right side
    23,740.19x = 430,067,611.64
  5. Step 5: Solve for x
    x = 430,067,611.64/23,740.19
  6. Step 6: Final answer
    x = 18,115.59

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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.