Home / 27,910.86-38,519.13-15,977.94

Finding the Fourth Proportional to 27,910.86, 38,519.13 and 15,977.94

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Solution

The fourth proportional to 27,910.86, 38,519.13 and 15,977.94 is: 22,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.86 : 38,519.13 = 15,977.94 : x
  2. Step 2: Convert to fraction form
    27,910.86/38,519.13 = 15,977.94/x
  3. Step 3: Cross multiply
    27,910.86x = 38,519.13 × 15,977.94
  4. Step 4: Simplify right side
    27,910.86x = 615,456,347.99
  5. Step 5: Solve for x
    x = 615,456,347.99/27,910.86
  6. Step 6: Final answer
    x = 22,050.78

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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.