Home / 27,786.24-38,318.40-25,750.08

Finding the Fourth Proportional to 27,786.24, 38,318.40 and 25,750.08

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Solution

The fourth proportional to 27,786.24, 38,318.40 and 25,750.08 is: 35,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.24 : 38,318.40 = 25,750.08 : x
  2. Step 2: Convert to fraction form
    27,786.24/38,318.40 = 25,750.08/x
  3. Step 3: Cross multiply
    27,786.24x = 38,318.40 × 25,750.08
  4. Step 4: Simplify right side
    27,786.24x = 986,701,865.47
  5. Step 5: Solve for x
    x = 986,701,865.47/27,786.24
  6. Step 6: Final answer
    x = 35,510.45

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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.