Home / 27,874.80-38,467.24-15,127.93

Finding the Fourth Proportional to 27,874.80, 38,467.24 and 15,127.93

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Solution

The fourth proportional to 27,874.80, 38,467.24 and 15,127.93 is: 20,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.80 : 38,467.24 = 15,127.93 : x
  2. Step 2: Convert to fraction form
    27,874.80/38,467.24 = 15,127.93/x
  3. Step 3: Cross multiply
    27,874.80x = 38,467.24 × 15,127.93
  4. Step 4: Simplify right side
    27,874.80x = 581,929,714.01
  5. Step 5: Solve for x
    x = 581,929,714.01/27,874.80
  6. Step 6: Final answer
    x = 20,876.55

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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.