Home / 27,708.75-38,238.08-17,790.03

Finding the Fourth Proportional to 27,708.75, 38,238.08 and 17,790.03

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Solution

The fourth proportional to 27,708.75, 38,238.08 and 17,790.03 is: 24,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.75 : 38,238.08 = 17,790.03 : x
  2. Step 2: Convert to fraction form
    27,708.75/38,238.08 = 17,790.03/x
  3. Step 3: Cross multiply
    27,708.75x = 38,238.08 × 17,790.03
  4. Step 4: Simplify right side
    27,708.75x = 680,256,501.39
  5. Step 5: Solve for x
    x = 680,256,501.39/27,708.75
  6. Step 6: Final answer
    x = 24,550.24

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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.