Home / 28,935.24-39,930.82-16,842.92

Finding the Fourth Proportional to 28,935.24, 39,930.82 and 16,842.92

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Solution

The fourth proportional to 28,935.24, 39,930.82 and 16,842.92 is: 23,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.24 : 39,930.82 = 16,842.92 : x
  2. Step 2: Convert to fraction form
    28,935.24/39,930.82 = 16,842.92/x
  3. Step 3: Cross multiply
    28,935.24x = 39,930.82 × 16,842.92
  4. Step 4: Simplify right side
    28,935.24x = 672,551,606.79
  5. Step 5: Solve for x
    x = 672,551,606.79/28,935.24
  6. Step 6: Final answer
    x = 23,243.34

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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.