Home / 23,489.12-32,414.14-12,878.54

Finding the Fourth Proportional to 23,489.12, 32,414.14 and 12,878.54

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Solution

The fourth proportional to 23,489.12, 32,414.14 and 12,878.54 is: 17,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.12 : 32,414.14 = 12,878.54 : x
  2. Step 2: Convert to fraction form
    23,489.12/32,414.14 = 12,878.54/x
  3. Step 3: Cross multiply
    23,489.12x = 32,414.14 × 12,878.54
  4. Step 4: Simplify right side
    23,489.12x = 417,446,798.56
  5. Step 5: Solve for x
    x = 417,446,798.56/23,489.12
  6. Step 6: Final answer
    x = 17,771.92

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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.