Home / 28,431.55-39,237.48-16,494.88

Finding the Fourth Proportional to 28,431.55, 39,237.48 and 16,494.88

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Solution

The fourth proportional to 28,431.55, 39,237.48 and 16,494.88 is: 22,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.55 : 39,237.48 = 16,494.88 : x
  2. Step 2: Convert to fraction form
    28,431.55/39,237.48 = 16,494.88/x
  3. Step 3: Cross multiply
    28,431.55x = 39,237.48 × 16,494.88
  4. Step 4: Simplify right side
    28,431.55x = 647,217,524.10
  5. Step 5: Solve for x
    x = 647,217,524.10/28,431.55
  6. Step 6: Final answer
    x = 22,764.06

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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.