Home / 27,704.58-38,222.84-15,764.93

Finding the Fourth Proportional to 27,704.58, 38,222.84 and 15,764.93

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Solution

The fourth proportional to 27,704.58, 38,222.84 and 15,764.93 is: 21,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.58 : 38,222.84 = 15,764.93 : x
  2. Step 2: Convert to fraction form
    27,704.58/38,222.84 = 15,764.93/x
  3. Step 3: Cross multiply
    27,704.58x = 38,222.84 × 15,764.93
  4. Step 4: Simplify right side
    27,704.58x = 602,580,299.96
  5. Step 5: Solve for x
    x = 602,580,299.96/27,704.58
  6. Step 6: Final answer
    x = 21,750.20

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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.