Home / 23,754.21-32,778.59-13,143.48

Finding the Fourth Proportional to 23,754.21, 32,778.59 and 13,143.48

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Solution

The fourth proportional to 23,754.21, 32,778.59 and 13,143.48 is: 18,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,754.21 : 32,778.59 = 13,143.48 : x
  2. Step 2: Convert to fraction form
    23,754.21/32,778.59 = 13,143.48/x
  3. Step 3: Cross multiply
    23,754.21x = 32,778.59 × 13,143.48
  4. Step 4: Simplify right side
    23,754.21x = 430,824,676.38
  5. Step 5: Solve for x
    x = 430,824,676.38/23,754.21
  6. Step 6: Final answer
    x = 18,136.77

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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.