Home / 27,911.25-38,507.99-17,297.01

Finding the Fourth Proportional to 27,911.25, 38,507.99 and 17,297.01

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Solution

The fourth proportional to 27,911.25, 38,507.99 and 17,297.01 is: 23,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.25 : 38,507.99 = 17,297.01 : x
  2. Step 2: Convert to fraction form
    27,911.25/38,507.99 = 17,297.01/x
  3. Step 3: Cross multiply
    27,911.25x = 38,507.99 × 17,297.01
  4. Step 4: Simplify right side
    27,911.25x = 666,073,088.11
  5. Step 5: Solve for x
    x = 666,073,088.11/27,911.25
  6. Step 6: Final answer
    x = 23,863.96

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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.