Home / 28,309.55-39,067.68-15,563.27

Finding the Fourth Proportional to 28,309.55, 39,067.68 and 15,563.27

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Solution

The fourth proportional to 28,309.55, 39,067.68 and 15,563.27 is: 21,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.55 : 39,067.68 = 15,563.27 : x
  2. Step 2: Convert to fraction form
    28,309.55/39,067.68 = 15,563.27/x
  3. Step 3: Cross multiply
    28,309.55x = 39,067.68 × 15,563.27
  4. Step 4: Simplify right side
    28,309.55x = 608,020,942.49
  5. Step 5: Solve for x
    x = 608,020,942.49/28,309.55
  6. Step 6: Final answer
    x = 21,477.59

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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.