Home / 29,438.21-40,625.80-16,865.39

Finding the Fourth Proportional to 29,438.21, 40,625.80 and 16,865.39

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Solution

The fourth proportional to 29,438.21, 40,625.80 and 16,865.39 is: 23,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,438.21 : 40,625.80 = 16,865.39 : x
  2. Step 2: Convert to fraction form
    29,438.21/40,625.80 = 16,865.39/x
  3. Step 3: Cross multiply
    29,438.21x = 40,625.80 × 16,865.39
  4. Step 4: Simplify right side
    29,438.21x = 685,170,020.46
  5. Step 5: Solve for x
    x = 685,170,020.46/29,438.21
  6. Step 6: Final answer
    x = 23,274.85

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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.