Home / 20,524.82-28,314.23-12,967.52

Finding the Fourth Proportional to 20,524.82, 28,314.23 and 12,967.52

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Solution

The fourth proportional to 20,524.82, 28,314.23 and 12,967.52 is: 17,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.82 : 28,314.23 = 12,967.52 : x
  2. Step 2: Convert to fraction form
    20,524.82/28,314.23 = 12,967.52/x
  3. Step 3: Cross multiply
    20,524.82x = 28,314.23 × 12,967.52
  4. Step 4: Simplify right side
    20,524.82x = 367,165,278.97
  5. Step 5: Solve for x
    x = 367,165,278.97/20,524.82
  6. Step 6: Final answer
    x = 17,888.84

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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.