Home / 20,482.93-28,266.97-11,530.75

Finding the Fourth Proportional to 20,482.93, 28,266.97 and 11,530.75

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Solution

The fourth proportional to 20,482.93, 28,266.97 and 11,530.75 is: 15,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.93 : 28,266.97 = 11,530.75 : x
  2. Step 2: Convert to fraction form
    20,482.93/28,266.97 = 11,530.75/x
  3. Step 3: Cross multiply
    20,482.93x = 28,266.97 × 11,530.75
  4. Step 4: Simplify right side
    20,482.93x = 325,939,364.33
  5. Step 5: Solve for x
    x = 325,939,364.33/20,482.93
  6. Step 6: Final answer
    x = 15,912.73

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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.