Home / 23,789.28-32,832.70-13,715.75

Finding the Fourth Proportional to 23,789.28, 32,832.70 and 13,715.75

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Solution

The fourth proportional to 23,789.28, 32,832.70 and 13,715.75 is: 18,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.28 : 32,832.70 = 13,715.75 : x
  2. Step 2: Convert to fraction form
    23,789.28/32,832.70 = 13,715.75/x
  3. Step 3: Cross multiply
    23,789.28x = 32,832.70 × 13,715.75
  4. Step 4: Simplify right side
    23,789.28x = 450,324,872.28
  5. Step 5: Solve for x
    x = 450,324,872.28/23,789.28
  6. Step 6: Final answer
    x = 18,929.74

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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.