Home / 27,857.00-38,444.07-17,777.36

Finding the Fourth Proportional to 27,857.00, 38,444.07 and 17,777.36

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Solution

The fourth proportional to 27,857.00, 38,444.07 and 17,777.36 is: 24,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857.00 : 38,444.07 = 17,777.36 : x
  2. Step 2: Convert to fraction form
    27,857.00/38,444.07 = 17,777.36/x
  3. Step 3: Cross multiply
    27,857.00x = 38,444.07 × 17,777.36
  4. Step 4: Simplify right side
    27,857.00x = 683,433,880.03
  5. Step 5: Solve for x
    x = 683,433,880.03/27,857.00
  6. Step 6: Final answer
    x = 24,533.65

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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.