Home / 28,613.70-42,873.57-27,520.20

Finding the Fourth Proportional to 28,613.70, 42,873.57 and 27,520.20

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Solution

The fourth proportional to 28,613.70, 42,873.57 and 27,520.20 is: 41,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613.70 : 42,873.57 = 27,520.20 : x
  2. Step 2: Convert to fraction form
    28,613.70/42,873.57 = 27,520.20/x
  3. Step 3: Cross multiply
    28,613.70x = 42,873.57 × 27,520.20
  4. Step 4: Simplify right side
    28,613.70x = 1,179,889,221.11
  5. Step 5: Solve for x
    x = 1,179,889,221.11/28,613.70
  6. Step 6: Final answer
    x = 41,235.12

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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.