Home / 28,948.24-39,949.29-16,201

Finding the Fourth Proportional to 28,948.24, 39,949.29 and 16,201

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Solution

The fourth proportional to 28,948.24, 39,949.29 and 16,201 is: 22,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.24 : 39,949.29 = 16,201 : x
  2. Step 2: Convert to fraction form
    28,948.24/39,949.29 = 16,201/x
  3. Step 3: Cross multiply
    28,948.24x = 39,949.29 × 16,201
  4. Step 4: Simplify right side
    28,948.24x = 647,218,447.29
  5. Step 5: Solve for x
    x = 647,218,447.29/28,948.24
  6. Step 6: Final answer
    x = 22,357.78

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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.