Home / 27,343.72-37,731.96-15,404.92

Finding the Fourth Proportional to 27,343.72, 37,731.96 and 15,404.92

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Solution

The fourth proportional to 27,343.72, 37,731.96 and 15,404.92 is: 21,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.72 : 37,731.96 = 15,404.92 : x
  2. Step 2: Convert to fraction form
    27,343.72/37,731.96 = 15,404.92/x
  3. Step 3: Cross multiply
    27,343.72x = 37,731.96 × 15,404.92
  4. Step 4: Simplify right side
    27,343.72x = 581,257,825.24
  5. Step 5: Solve for x
    x = 581,257,825.24/27,343.72
  6. Step 6: Final answer
    x = 21,257.45

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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.