Home / 27,900.76-38,533.26-17,315.64

Finding the Fourth Proportional to 27,900.76, 38,533.26 and 17,315.64

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Solution

The fourth proportional to 27,900.76, 38,533.26 and 17,315.64 is: 23,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.76 : 38,533.26 = 17,315.64 : x
  2. Step 2: Convert to fraction form
    27,900.76/38,533.26 = 17,315.64/x
  3. Step 3: Cross multiply
    27,900.76x = 38,533.26 × 17,315.64
  4. Step 4: Simplify right side
    27,900.76x = 667,228,058.19
  5. Step 5: Solve for x
    x = 667,228,058.19/27,900.76
  6. Step 6: Final answer
    x = 23,914.33

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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.