Home / 23,728.78-32,745.45-13,118.59

Finding the Fourth Proportional to 23,728.78, 32,745.45 and 13,118.59

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Solution

The fourth proportional to 23,728.78, 32,745.45 and 13,118.59 is: 18,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.78 : 32,745.45 = 13,118.59 : x
  2. Step 2: Convert to fraction form
    23,728.78/32,745.45 = 13,118.59/x
  3. Step 3: Cross multiply
    23,728.78x = 32,745.45 × 13,118.59
  4. Step 4: Simplify right side
    23,728.78x = 429,574,132.92
  5. Step 5: Solve for x
    x = 429,574,132.92/23,728.78
  6. Step 6: Final answer
    x = 18,103.51

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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.