Home / 27,983.68-38,619.66-15,410.68

Finding the Fourth Proportional to 27,983.68, 38,619.66 and 15,410.68

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Solution

The fourth proportional to 27,983.68, 38,619.66 and 15,410.68 is: 21,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.68 : 38,619.66 = 15,410.68 : x
  2. Step 2: Convert to fraction form
    27,983.68/38,619.66 = 15,410.68/x
  3. Step 3: Cross multiply
    27,983.68x = 38,619.66 × 15,410.68
  4. Step 4: Simplify right side
    27,983.68x = 595,155,221.97
  5. Step 5: Solve for x
    x = 595,155,221.97/27,983.68
  6. Step 6: Final answer
    x = 21,267.94

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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.