Home / 28,908.39-39,893.13-16,160.88

Finding the Fourth Proportional to 28,908.39, 39,893.13 and 16,160.88

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Solution

The fourth proportional to 28,908.39, 39,893.13 and 16,160.88 is: 22,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.39 : 39,893.13 = 16,160.88 : x
  2. Step 2: Convert to fraction form
    28,908.39/39,893.13 = 16,160.88/x
  3. Step 3: Cross multiply
    28,908.39x = 39,893.13 × 16,160.88
  4. Step 4: Simplify right side
    28,908.39x = 644,708,086.75
  5. Step 5: Solve for x
    x = 644,708,086.75/28,908.39
  6. Step 6: Final answer
    x = 22,301.76

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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.