Home / 28,014.42-38,642.90-16,676.34

Finding the Fourth Proportional to 28,014.42, 38,642.90 and 16,676.34

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Solution

The fourth proportional to 28,014.42, 38,642.90 and 16,676.34 is: 23,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.42 : 38,642.90 = 16,676.34 : x
  2. Step 2: Convert to fraction form
    28,014.42/38,642.90 = 16,676.34/x
  3. Step 3: Cross multiply
    28,014.42x = 38,642.90 × 16,676.34
  4. Step 4: Simplify right side
    28,014.42x = 644,422,138.99
  5. Step 5: Solve for x
    x = 644,422,138.99/28,014.42
  6. Step 6: Final answer
    x = 23,003.23

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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.