Home / 27,714.53-38,244.62-15,777.83

Finding the Fourth Proportional to 27,714.53, 38,244.62 and 15,777.83

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Solution

The fourth proportional to 27,714.53, 38,244.62 and 15,777.83 is: 21,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,714.53 : 38,244.62 = 15,777.83 : x
  2. Step 2: Convert to fraction form
    27,714.53/38,244.62 = 15,777.83/x
  3. Step 3: Cross multiply
    27,714.53x = 38,244.62 × 15,777.83
  4. Step 4: Simplify right side
    27,714.53x = 603,417,033.89
  5. Step 5: Solve for x
    x = 603,417,033.89/27,714.53
  6. Step 6: Final answer
    x = 21,772.59

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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.