Home / 27,906.75-38,511.33-15,332.31

Finding the Fourth Proportional to 27,906.75, 38,511.33 and 15,332.31

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Solution

The fourth proportional to 27,906.75, 38,511.33 and 15,332.31 is: 21,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.75 : 38,511.33 = 15,332.31 : x
  2. Step 2: Convert to fraction form
    27,906.75/38,511.33 = 15,332.31/x
  3. Step 3: Cross multiply
    27,906.75x = 38,511.33 × 15,332.31
  4. Step 4: Simplify right side
    27,906.75x = 590,467,650.07
  5. Step 5: Solve for x
    x = 590,467,650.07/27,906.75
  6. Step 6: Final answer
    x = 21,158.60

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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.