Home / 27,773.75-38,326.82-15,840.93

Finding the Fourth Proportional to 27,773.75, 38,326.82 and 15,840.93

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Solution

The fourth proportional to 27,773.75, 38,326.82 and 15,840.93 is: 21,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.75 : 38,326.82 = 15,840.93 : x
  2. Step 2: Convert to fraction form
    27,773.75/38,326.82 = 15,840.93/x
  3. Step 3: Cross multiply
    27,773.75x = 38,326.82 × 15,840.93
  4. Step 4: Simplify right side
    27,773.75x = 607,132,393.54
  5. Step 5: Solve for x
    x = 607,132,393.54/27,773.75
  6. Step 6: Final answer
    x = 21,859.94

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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.