Home / 28,732.35-39,649.84-17,408.55

Finding the Fourth Proportional to 28,732.35, 39,649.84 and 17,408.55

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Solution

The fourth proportional to 28,732.35, 39,649.84 and 17,408.55 is: 24,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.35 : 39,649.84 = 17,408.55 : x
  2. Step 2: Convert to fraction form
    28,732.35/39,649.84 = 17,408.55/x
  3. Step 3: Cross multiply
    28,732.35x = 39,649.84 × 17,408.55
  4. Step 4: Simplify right side
    28,732.35x = 690,246,222.13
  5. Step 5: Solve for x
    x = 690,246,222.13/28,732.35
  6. Step 6: Final answer
    x = 24,023.31

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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.