Home / 27,910.07-38,515.94-15,163.31

Finding the Fourth Proportional to 27,910.07, 38,515.94 and 15,163.31

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Solution

The fourth proportional to 27,910.07, 38,515.94 and 15,163.31 is: 20,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.07 : 38,515.94 = 15,163.31 : x
  2. Step 2: Convert to fraction form
    27,910.07/38,515.94 = 15,163.31/x
  3. Step 3: Cross multiply
    27,910.07x = 38,515.94 × 15,163.31
  4. Step 4: Simplify right side
    27,910.07x = 584,028,869.77
  5. Step 5: Solve for x
    x = 584,028,869.77/27,910.07
  6. Step 6: Final answer
    x = 20,925.39

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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.