Home / 27,758.48-38,310.75-15,823.04

Finding the Fourth Proportional to 27,758.48, 38,310.75 and 15,823.04

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Solution

The fourth proportional to 27,758.48, 38,310.75 and 15,823.04 is: 21,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.48 : 38,310.75 = 15,823.04 : x
  2. Step 2: Convert to fraction form
    27,758.48/38,310.75 = 15,823.04/x
  3. Step 3: Cross multiply
    27,758.48x = 38,310.75 × 15,823.04
  4. Step 4: Simplify right side
    27,758.48x = 606,192,529.68
  5. Step 5: Solve for x
    x = 606,192,529.68/27,758.48
  6. Step 6: Final answer
    x = 21,838.10

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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.