Home / 26,575.30-36,668.50-20,200.20

Finding the Fourth Proportional to 26,575.30, 36,668.50 and 20,200.20

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Solution

The fourth proportional to 26,575.30, 36,668.50 and 20,200.20 is: 27,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.30 : 36,668.50 = 20,200.20 : x
  2. Step 2: Convert to fraction form
    26,575.30/36,668.50 = 20,200.20/x
  3. Step 3: Cross multiply
    26,575.30x = 36,668.50 × 20,200.20
  4. Step 4: Simplify right side
    26,575.30x = 740,711,033.70
  5. Step 5: Solve for x
    x = 740,711,033.70/26,575.30
  6. Step 6: Final answer
    x = 27,872.16

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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.