Home / 23,282.38-32,129.62-12,672.02

Finding the Fourth Proportional to 23,282.38, 32,129.62 and 12,672.02

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Solution

The fourth proportional to 23,282.38, 32,129.62 and 12,672.02 is: 17,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,282.38 : 32,129.62 = 12,672.02 : x
  2. Step 2: Convert to fraction form
    23,282.38/32,129.62 = 12,672.02/x
  3. Step 3: Cross multiply
    23,282.38x = 32,129.62 × 12,672.02
  4. Step 4: Simplify right side
    23,282.38x = 407,147,187.23
  5. Step 5: Solve for x
    x = 407,147,187.23/23,282.38
  6. Step 6: Final answer
    x = 17,487.35

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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.