Home / 28,372.35-42,530.67-10,589.97

Finding the Fourth Proportional to 28,372.35, 42,530.67 and 10,589.97

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Solution

The fourth proportional to 28,372.35, 42,530.67 and 10,589.97 is: 15,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.35 : 42,530.67 = 10,589.97 : x
  2. Step 2: Convert to fraction form
    28,372.35/42,530.67 = 10,589.97/x
  3. Step 3: Cross multiply
    28,372.35x = 42,530.67 × 10,589.97
  4. Step 4: Simplify right side
    28,372.35x = 450,398,519.38
  5. Step 5: Solve for x
    x = 450,398,519.38/28,372.35
  6. Step 6: Final answer
    x = 15,874.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.