Home / 27,613.04-38,105.98-15,037.88

Finding the Fourth Proportional to 27,613.04, 38,105.98 and 15,037.88

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Solution

The fourth proportional to 27,613.04, 38,105.98 and 15,037.88 is: 20,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.04 : 38,105.98 = 15,037.88 : x
  2. Step 2: Convert to fraction form
    27,613.04/38,105.98 = 15,037.88/x
  3. Step 3: Cross multiply
    27,613.04x = 38,105.98 × 15,037.88
  4. Step 4: Simplify right side
    27,613.04x = 573,033,154.52
  5. Step 5: Solve for x
    x = 573,033,154.52/27,613.04
  6. Step 6: Final answer
    x = 20,752.27

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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.