Home / 27,863.04-38,453.70-15,924.10

Finding the Fourth Proportional to 27,863.04, 38,453.70 and 15,924.10

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Solution

The fourth proportional to 27,863.04, 38,453.70 and 15,924.10 is: 21,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.04 : 38,453.70 = 15,924.10 : x
  2. Step 2: Convert to fraction form
    27,863.04/38,453.70 = 15,924.10/x
  3. Step 3: Cross multiply
    27,863.04x = 38,453.70 × 15,924.10
  4. Step 4: Simplify right side
    27,863.04x = 612,340,564.17
  5. Step 5: Solve for x
    x = 612,340,564.17/27,863.04
  6. Step 6: Final answer
    x = 21,976.80

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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.