Home / 27,910.34-38,515.65-15,163.19

Finding the Fourth Proportional to 27,910.34, 38,515.65 and 15,163.19

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Solution

The fourth proportional to 27,910.34, 38,515.65 and 15,163.19 is: 20,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.34 : 38,515.65 = 15,163.19 : x
  2. Step 2: Convert to fraction form
    27,910.34/38,515.65 = 15,163.19/x
  3. Step 3: Cross multiply
    27,910.34x = 38,515.65 × 15,163.19
  4. Step 4: Simplify right side
    27,910.34x = 584,020,118.92
  5. Step 5: Solve for x
    x = 584,020,118.92/27,910.34
  6. Step 6: Final answer
    x = 20,924.87

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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.