Home / 27,773.24-38,326.13-15,840.42

Finding the Fourth Proportional to 27,773.24, 38,326.13 and 15,840.42

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Solution

The fourth proportional to 27,773.24, 38,326.13 and 15,840.42 is: 21,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.24 : 38,326.13 = 15,840.42 : x
  2. Step 2: Convert to fraction form
    27,773.24/38,326.13 = 15,840.42/x
  3. Step 3: Cross multiply
    27,773.24x = 38,326.13 × 15,840.42
  4. Step 4: Simplify right side
    27,773.24x = 607,101,996.17
  5. Step 5: Solve for x
    x = 607,101,996.17/27,773.24
  6. Step 6: Final answer
    x = 21,859.24

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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.