Home / 23,778.89-32,814.87-13,023.79

Finding the Fourth Proportional to 23,778.89, 32,814.87 and 13,023.79

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Solution

The fourth proportional to 23,778.89, 32,814.87 and 13,023.79 is: 17,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.89 : 32,814.87 = 13,023.79 : x
  2. Step 2: Convert to fraction form
    23,778.89/32,814.87 = 13,023.79/x
  3. Step 3: Cross multiply
    23,778.89x = 32,814.87 × 13,023.79
  4. Step 4: Simplify right side
    23,778.89x = 427,373,918.14
  5. Step 5: Solve for x
    x = 427,373,918.14/23,778.89
  6. Step 6: Final answer
    x = 17,972.83

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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.