Home / 20,633.93-28,475.50-11,681.25

Finding the Fourth Proportional to 20,633.93, 28,475.50 and 11,681.25

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Solution

The fourth proportional to 20,633.93, 28,475.50 and 11,681.25 is: 16,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.93 : 28,475.50 = 11,681.25 : x
  2. Step 2: Convert to fraction form
    20,633.93/28,475.50 = 11,681.25/x
  3. Step 3: Cross multiply
    20,633.93x = 28,475.50 × 11,681.25
  4. Step 4: Simplify right side
    20,633.93x = 332,629,292.00
  5. Step 5: Solve for x
    x = 332,629,292.00/20,633.93
  6. Step 6: Final answer
    x = 16,120.51

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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.