Home / 27,747.36-38,294.94-15,814.98

Finding the Fourth Proportional to 27,747.36, 38,294.94 and 15,814.98

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Solution

The fourth proportional to 27,747.36, 38,294.94 and 15,814.98 is: 21,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.36 : 38,294.94 = 15,814.98 : x
  2. Step 2: Convert to fraction form
    27,747.36/38,294.94 = 15,814.98/x
  3. Step 3: Cross multiply
    27,747.36x = 38,294.94 × 15,814.98
  4. Step 4: Simplify right side
    27,747.36x = 605,633,710.20
  5. Step 5: Solve for x
    x = 605,633,710.20/27,747.36
  6. Step 6: Final answer
    x = 21,826.71

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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.