Home / 27,752.16-38,305.08-17,135.70

Finding the Fourth Proportional to 27,752.16, 38,305.08 and 17,135.70

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Solution

The fourth proportional to 27,752.16, 38,305.08 and 17,135.70 is: 23,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.16 : 38,305.08 = 17,135.70 : x
  2. Step 2: Convert to fraction form
    27,752.16/38,305.08 = 17,135.70/x
  3. Step 3: Cross multiply
    27,752.16x = 38,305.08 × 17,135.70
  4. Step 4: Simplify right side
    27,752.16x = 656,384,359.36
  5. Step 5: Solve for x
    x = 656,384,359.36/27,752.16
  6. Step 6: Final answer
    x = 23,651.65

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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.