Home / 27,777.24-38,331.66-15,844.44

Finding the Fourth Proportional to 27,777.24, 38,331.66 and 15,844.44

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Solution

The fourth proportional to 27,777.24, 38,331.66 and 15,844.44 is: 21,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.24 : 38,331.66 = 15,844.44 : x
  2. Step 2: Convert to fraction form
    27,777.24/38,331.66 = 15,844.44/x
  3. Step 3: Cross multiply
    27,777.24x = 38,331.66 × 15,844.44
  4. Step 4: Simplify right side
    27,777.24x = 607,343,686.97
  5. Step 5: Solve for x
    x = 607,343,686.97/27,777.24
  6. Step 6: Final answer
    x = 21,864.80

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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.